Until now the possible errors returned from processing
boot firmware volume were not checked, which could cause
misbehavior in further booting stages. Add relevant assert.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: Jan Dabros <jsd@semihalf.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>