added "ren" as an alias for "mv" git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11537 6f19259b-4bc3-4df7-8a09-765794883524
added "ren" as an alias for "mv" git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11537 6f19259b-4bc3-4df7-8a09-765794883524