a. Fixed PCD override issue b. Added error check and report for incompatible files in meta file.
a. Fixed PCD override issue
b. Added error check and report for incompatible files in meta file.

git-svn-id: 5648d1bec6962b0a6d1d1b40eba8cf5cdb62da3d@5212 6f19259b-4bc3-4df7-8a09-765794883524

MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2