[sonic_sfp] Interpret sff 'int' element =0 as valid value (sonic-net#51)

Signed-off-by: Andriy Kokhan <[email protected]>

Author: akokhan

sonic_platform_base/sonic_sfp/sffbase.py

@@ -132,9 +132,7 @@ def parse_sff_element(self, eeprom_data, eeprom_ele, start_pos):
                               offset + size)
 
         elif type == 'int':
-            data = int(eeprom_data[offset], 16)
-            if data != 0:
-                value = data
+            value = int(eeprom_data[offset], 16)
 
         elif type == 'date':
             value = self.convert_date_to_string(eeprom_data, offset,