[mips] [IAS] Add support for the .set oddspreg/nooddspreg directives.

Differential Revision: http://reviews.llvm.org/D10657

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241052 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed