[pull] master from Azure:master#84

Merged

pull[bot] merged 3 commits intopphuchar:masterfrom

sonic-net:master

May 28, 2019

Commits on May 28, 2019

[Mellanox] Update hw-mgmt package to v175 (#2948)

keboliu
authored and
lguohan
committed
[mellanox]: fix wrong type of paramerter (#2950)

keboliu
authored and
lguohan
committed
[DellEMC-Z9264f-Q64] Add PFC support for 40G z9264f (#2940)

Harish Venkatraman
authored and
lguohan
committed