Teach the autoconf machinery about the PS4 triple.

(I think the last checkin, r227060, got lost from the mailing lists because of the (R) in the comment.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227090 91177308-0d34-0410-b5e6-96231b3b80d8

autoconf/config.sub

@@ -1489,6 +1489,8 @@ case $os in
 		;;
 	-nacl*)
 		;;
+	-ps4)
+		;;
 	-none)
 		;;
 	*)

autoconf/configure.ac

@@ -369,6 +369,8 @@ AC_CACHE_CHECK([type of operating system we're going to target],
     llvm_cv_target_os_type="NativeClient" ;;
   *-unknown-eabi*)
     llvm_cv_target_os_type="Freestanding" ;;
+  *-*-ps4)
+    llvm_cv_target_os_type="PS4" ;;
   *)
     llvm_cv_target_os_type="Unknown" ;;
 esac])