[AMDGPU] Using table-driven amd_kernel_code_t field parser in assembler.

complementary patch to table-driven amd_kernel_code_t field parser/printer utility. lit tests passed.

Patch by: Valery Pykhtin

Differential Revision: http://reviews.llvm.org/D17151

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@262474 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed