Tidy up lists of Cortex-A series processors, adding entries for A7.

Also fix a missing entry for cortex-r5 in one copy of getLLVMArchSuffixForARM.

llvm-svn: 176457
diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp
index a7311d7..cf95bec 100644
--- a/clang/lib/Driver/ToolChain.cpp
+++ b/clang/lib/Driver/ToolChain.cpp
@@ -141,7 +141,9 @@
     .Cases("arm1136j-s",  "arm1136jf-s",  "arm1176jz-s", "v6")
     .Cases("arm1176jzf-s",  "mpcorenovfp",  "mpcore", "v6")
     .Cases("arm1156t2-s",  "arm1156t2f-s", "v6t2")
-    .Cases("cortex-a8", "cortex-a9", "cortex-a15", "v7")
+    .Cases("cortex-a5", "cortex-a7", "cortex-a8", "v7")
+    .Cases("cortex-a9", "cortex-a15", "v7")
+    .Case("cortex-r5", "v7r")
     .Case("cortex-m3", "v7m")
     .Case("cortex-m4", "v7m")
     .Case("cortex-m0", "v6m")