r600: Update datalayout after LLVM r328656 Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu> Reviewed-by: Aaron Watry <awatry@gmail.com> git-svn-id: https://llvm.org/svn/llvm-project/libclc/trunk@329291 91177308-0d34-0410-b5e6-96231b3b80d8