ssifbridge: Replace ssifbridge with C++ version

Rewrite the C-style ssifbridge in modern C++.

Test:
On linux host, run 'ipmitool mc info' or 'ipmitool fru print'

Change-Id: I5970853abbf4b2cfe893c76e819a22047baaa4a4
Signed-off-by: Dung Cao <dung@os.amperecomputing.com>
3 files changed