[AMDGPU] Change -cl-std to CL2.0 in builtins-amdgcn-gfx950.cl. NFC.#138745

rampitec wants to merge 1 commit intomainllvm/llvm-project:mainfrom

users/rampitec/05-06-_amdgpu_change_-cl-std_to_cl2.0_in_builtins-amdgcn-gfx950.cl._nfcllvm/llvm-project:users/rampitec/05-06-_amdgpu_change_-cl-std_to_cl2.0_in_builtins-amdgcn-gfx950.cl._nfcCopy head branch name to clipboard