Fixed the build issue when multi target specified, for example both DEBUG and RELEASE are specified in target.txt
Fixed the build issue when multi target specified, for example both DEBUG and RELEASE are specified in target.txt

git-svn-id: 5648d1bec6962b0a6d1d1b40eba8cf5cdb62da3d@4351 6f19259b-4bc3-4df7-8a09-765794883524

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