[MC] Merge VK_PPC_TPREL in to generic VK_TPREL.

Differential Revision: http://reviews.llvm.org/D17038

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@260401 91177308-0d34-0410-b5e6-96231b3b80d8
10 files changed