Add the SuperMicro H8QGI platform

Add the SuperMicro H8QGI platform

This set adds support for the SuperMicro H8QGI mainboard.
It is a publicly available 4 socket board using AMD Family
10 cpus and AMD SR5650 and SB700 bridges.

Change-Id: I196704f79db4c45382559c5ee0619dc8d96ff140
Signed-off-by: Frank Vibrans <frank.vibrans@amd.com>
Signed-off-by: efdesign98 <efdesign98@gmail.com>
Reviewed-on: http://review.coreboot.org/108
Tested-by: build bot (Jenkins)
Reviewed-by: Kerry She <shekairui@gmail.com>
Reviewed-by: Marc Jones <marcj303@gmail.com>