[Mellanox] Add FW upgrade before reboot feature#2788

Merged

lguohan merged 2 commits intosonic-net:201803from andriymoroz-mlnx:201803-reboot-fw

Apr 15, 2019

+170-35

Commits on Apr 15, 2019

[mellanox] Enhance mlnx-fw-upgrade.sh (sonic-net#1994 )

stepanblyschak
authored and
andriymoroz-mlnx
committed
Fixed FW upgrade sequence. (sonic-net#2111 )

nazariig
authored and
andriymoroz-mlnx
committed