Add set/get Http boot option OEM commands

Set/get Http boot option is used to add a new boot item in reserved bits,
which set to 1101b in data 2nd[5:2] of boot flags parameter.

tested:
it's tested in system for IPMI OEM command and BIOS
- get/set http boot option,
set: ipmitool raw 0x30 0xEA 0x05 0x80 0x34
get: ipmitool raw 0x30 0xEB 0x05 0x00 0x00

Change-Id: Ie2927c924e233023b1644ce2e62e06003d55e0f2
Signed-off-by: Chen,Yugang <yugang.chen@linux.intel.com>
2 files changed