[AMDGPU][MC] Disabled use of 2 different literals with SOP2/SOPC instructions

See bug 39319: https://bugs.llvm.org/show_bug.cgi?id=39319

Reviewers: artem.tamazov, arsenm, rampitec

Differential Revision: https://reviews.llvm.org/D56847

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351549 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed