1.Use driver model APIs in UefiLib 2.Register Unload Image in INF/MSA to be included in autogen code. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3962 6f19259b-4bc3-4df7-8a09-765794883524
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3492 6f19259b-4bc3-4df7-8a09-765794883524