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.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176457 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed