[clang] [flang] [llvm] [AMDGPU] Use a target feature to enable __builtin_amdgcn_global_load_lds on gfx9/10 (PR #133055)

[Juan Manuel Martinez Caamaño via llvm-commits]

https://github.com/jmmartinez edited https://github.com/llvm/llvm-project/pull/133055