when pressed hot key to enter BIOS setup. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Shifei Lu <shifeix.a.lu@intel.com> Reviewed-by: Tim He <tim.he@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16666 6f19259b-4bc3-4df7-8a09-765794883524