AMDGPU: Rename MaxFlatWorkgroupSize to MaxFlatWorkGroupSize for consistency

Differential Revision: https://reviews.llvm.org/D38957


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316097 91177308-0d34-0410-b5e6-96231b3b80d8
8 files changed