rebuild for llvm 3.4
enable OpenCL, r600-llvm

Enable OpenCL (RHBZ #887628)
Enable r600 llvm compiler (RHBZ #1055098)

Signed-off-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>
typo: fix macros

Signed-off-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>