[as5835-54x] Add to support API2.0

[jostar-yang]

- Why I did it
Support API2.0
- How I did it
Implement API2.0 needed code
- How to verify it
Test each API.
root@sonic:/home/admin# ./test_as5835-54x_api2.py
DEBUG:root:Test Chassis
DEBUG:root:get_name=Accton-AS5835-54X
DEBUG:root:get_base_mac=80:A2:35:D2:46:B5
DEBUG:root:get_serial_number=583554X1922008
DEBUG:root:get_system_eeprom_info={'0xFE': '0x54E5C8B0', '0x28': 'x86_64-accton_as5835_54x-r0', '0x29': '2019.08.00.01', '0x22': 'FP1ZZ56540B7A', '0x23': '583554X1922008', '0x21': '5835-54X-O-AC-F', '0x27': 'R0BA', '0x24': '80:A2:35:D2:46:B5', '0x25': '06/21/2019', '0x2B': 'Accton', '0x2C': 'TW', '0x2A': '256', '0x2D': 'Edgecore', '0x2E': 'b.b.1.0'}
DEBUG:root:get_reboot_cause=('REBOOT_CAUSE_NON_HARDWARE', "User issued 'reboot' command [User: admin, Time: Wed 13 Jan 2021 04:50:43 PM UTC]")
DEBUG:root:
Test Component
DEBUG:root:get_num_components=4
DEBUG:root:get_name=CPLD1
DEBUG:root:get_name=CPLD2
DEBUG:root:get_name=CPLD3
DEBUG:root:get_name=BIOS
DEBUG:root:get_firmware_version0 =2
DEBUG:root:get_firmware_version1 =2
DEBUG:root:get_firmware_version2 =2
DEBUG:root:get_firmware_version3 =AS5835 V37 20190117
DEBUG:root:get_description=CPLD 1
DEBUG:root:get_description=CPLD 2
DEBUG:root:get_description=CPLD 3
DEBUG:root:get_description=Basic Input/Output System
DEBUG:root:
Fan test
DEBUG:root:fan-1, presence=1
DEBUG:root:fan 1 direction=exhaust
DEBUG:root:fan 1 speed()=40
DEBUG:root:set speed to fan-1
DEBUG:root:fan-1 speed()=50
DEBUG:root:fan-2, presence=1
DEBUG:root:fan 2 direction=exhaust
DEBUG:root:fan 2 speed()=50
DEBUG:root:set speed to fan-1
DEBUG:root:fan-1 speed()=50
DEBUG:root:fan-3, presence=1
DEBUG:root:fan 3 direction=intake
DEBUG:root:fan 3 speed()=50
DEBUG:root:set speed to fan-1
DEBUG:root:fan-1 speed()=50
DEBUG:root:fan-4, presence=1
DEBUG:root:fan 4 direction=intake
DEBUG:root:fan 4 speed()=50
DEBUG:root:set speed to fan-1
DEBUG:root:fan-1 speed()=50
DEBUG:root:fan-5, presence=1
DEBUG:root:fan 5 direction=intake
DEBUG:root:fan 5 speed()=50
DEBUG:root:set speed to fan-1
DEBUG:root:fan-1 speed()=50
DEBUG:root:fan-6, presence=1
DEBUG:root:fan 6 direction=intake
DEBUG:root:fan 6 speed()=50
DEBUG:root:set speed to fan-1
DEBUG:root:fan-1 speed()=50
DEBUG:root:fan-7, presence=1
DEBUG:root:fan 7 direction=intake
DEBUG:root:fan 7 speed()=50
DEBUG:root:set speed to fan-1
DEBUG:root:fan-1 speed()=40
DEBUG:root:fan-8, presence=1
DEBUG:root:fan 8 direction=intake
DEBUG:root:fan 8 speed()=40
DEBUG:root:set speed to fan-1
DEBUG:root:fan-1 speed()=50
DEBUG:root:fan-9, presence=1
DEBUG:root:fan 9 direction=intake
DEBUG:root:fan 9 speed()=50
DEBUG:root:set speed to fan-1
DEBUG:root:fan-1 speed()=50
DEBUG:root:fan-10, presence=1
DEBUG:root:fan 10 direction=intake
DEBUG:root:fan 10 speed()=50
DEBUG:root:set speed to fan-1
DEBUG:root:fan-1 speed()=50
DEBUG:root:
PSU test
DEBUG:root:PSU-1
DEBUG:root:presence=1
DEBUG:root:get_name=PSU-1
DEBUG:root:get_powergood=1
DEBUG:root:get_voltage=11.86
DEBUG:root:get_current=7.17
DEBUG:root:get_power=81.00
DEBUG:root:get_temperature=31.000
DEBUG:root:get_voltage_high_threshold=1472.00
DEBUG:root:get_voltage_low_threshold=-768.00
DEBUG:root:psu:get_num_fans=1
DEBUG:root:psu:get_fan().get_presence=1
DEBUG:root:dir_str=/sys/bus/i2c/devices/11-0058/psu_fan_dir, val=F2B
DEBUG:root:psu:get_fan().get_direction=exhaust
DEBUG:root:psu:get_fan().get_speed=12
DEBUG:root:psu:get_num_thermals()=0
DEBUG:root:psu:get_temperature=31.000
DEBUG:root:PSU-2
DEBUG:root:presence=0
DEBUG:root:get_name=PSU-2
DEBUG:root:get_powergood=0
DEBUG:root:get_voltage=0.00
DEBUG:root:get_current=0.00
DEBUG:root:get_power=0.00
DEBUG:root:get_temperature=0.000
DEBUG:root:get_voltage_high_threshold=0.00
DEBUG:root:get_voltage_low_threshold=0.00
DEBUG:root:psu:get_num_fans=1
DEBUG:root:psu:get_fan().get_presence=1
DEBUG:root:dir_str=/sys/bus/i2c/devices/12-005b/psu_fan_dir, val=
DEBUG:root:psu:get_fan().get_direction=intake
DEBUG:root:psu:get_fan().get_speed=0
DEBUG:root:psu:get_num_thermals()=0
DEBUG:root:psu:get_temperature=0.000
DEBUG:root:
Thermal test
DEBUG:root:Thermal-1
DEBUG:root:get_temperature=32.500
DEBUG:root:high_threshold=85.000
DEBUG:root:get name=Temp sensor 1
DEBUG:root:get_presence=True
DEBUG:root:get_status=True
DEBUG:root:Thermal-2
DEBUG:root:get_temperature=25.500
DEBUG:root:high_threshold=84.000
DEBUG:root:get name=Temp sensor 2
DEBUG:root:get_presence=True
DEBUG:root:get_status=True
DEBUG:root:Thermal-3
DEBUG:root:get_temperature=29.000
DEBUG:root:high_threshold=83.000
DEBUG:root:get name=Temp sensor 3
DEBUG:root:get_presence=True
DEBUG:root:get_status=True
DEBUG:root:Thermal-4
DEBUG:root:get_temperature=27.000
DEBUG:root:high_threshold=82.000
DEBUG:root:get name=Temp sensor 4
DEBUG:root:get_presence=True
DEBUG:root:get_status=True
DEBUG:root:
SFP test
DEBUG:root:Port-1
DEBUG:root:platform_chassis.get_serial=U31649000020
DEBUG:root:get_model()=M0OEC5402T04Z
DEBUG:root:get_name()=Ethernet0
DEBUG:root:get_rx_los=0
DEBUG:root:get_tx_fault()=0
DEBUG:root:get_tx_disable()=1
DEBUG:root:get_lp_mode=0
DEBUG:root:get_tx_disable_channel()=0x0
DEBUG:root:Port-12
DEBUG:root:platform_chassis.get_serial=U31649000020
DEBUG:root:get_model()=M0OEC5402T04Z
DEBUG:root:get_name()=Ethernet11
DEBUG:root:get_rx_los=0
DEBUG:root:get_tx_fault()=0
DEBUG:root:get_tx_disable()=1
DEBUG:root:get_lp_mode=0
DEBUG:root:get_tx_disable_channel()=0x0
- Which release branch to backport (provide reason below if selected)

• 201811
• 201911
• 202006
• 202012

- Description for the changelog

- A picture of a cute animal (not mandatory but encouraged)

[lgtm-com]

This pull request introduces 2 alerts when merging cbf1975 into 9b2bc88 - view on LGTM.com

new alerts:

• 1 for Unused import
• 1 for Syntax error

[jleveque]

Please fix merge conflict