AMD no longer needs its own openCL version

Author: Hugh Delaney

libclc/CMakeLists.txt

@@ -336,9 +336,6 @@ foreach( t ${LIBCLC_TARGETS_TO_BUILD} )
 				# Disables NVVM reflection to defer to after linking
 				set( flags "SHELL:-Xclang -target-feature" "SHELL:-Xclang +ptx72"
 						 "SHELL:-march=sm_86" "SHELL:-mllvm --nvvm-reflect-enable=false")
-			elseif( ${ARCH} STREQUAL amdgcn )
-				# AMDGCN needs generic address space for atomics
-				set( flags "SHELL:-Xclang -cl-std=CL2.0")
 			else()
 				set ( flags )
 			endif()