Set the proper Shell file GUID so that the BDS transfers control to the Shell. Change-Id: I816636a340bbe2f76ac1973b9cb685084c4f88a0 Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-by: Maurice Ma <maurice.ma@intel.com> Reviewed-by: Prince Agyeman <prince.agyeman@intel.com>