[AMDGPU] SOPxx instructions operand naming fixed in td files.

dst -> sdst
ssrcN -> srcN

Differential Revision: http://reviews.llvm.org/D17646

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@262801 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed