According to the UEFI spec, the 'TransferBuffer' and 'MetadataBuffer' used in a data transfer should be aligned on the boundary specified by the IoAlign field in the EFI_NVM_EXPRESS_PASS_THRU_MODE structure. This commit adds this check to follow the spec. Cc: Feng Tian <feng.tian@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Feng Tian <feng.tian@intel.com>