inspur: fp5280g2: Add fp5280g2 psu fw update function

Add phosphor-psu-software-manager and use inspur specific binary tool
to update fp5280g2's psu firmware.

Signed-off-by: Chicago Duan <duanzhijia01@inspur.com>
Change-Id: Ic54080db5e677d6f91cc28cee0767206fd677219
4 files changed