ARM: don't diagnose cbz/cbnz to Thumb functions.

A branch-distance to a Thumb function shouldn't be forced to be odd for
CBZ/CBNZ instructions because (assuming it's within range), it's going to be a
valid, even offset.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@279665 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed