Update the DxeImageVerificationLib to handle the signed image which CertType is set to EFI_CERT_TYPE_PKCS7_GUID.

Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Ye Ting  <ting.ye@intel.com>
Reviewed-by: Dong Guo <guo.dong@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13672 6f19259b-4bc3-4df7-8a09-765794883524
2 files changed