assembler: Import brw_defines.h from Mesa

Almost identical files now, the diff is:

-#include "intel_chipset.h"
+#define EX_DESC_SFID_MASK 0xF
+#define EX_DESC_EOT_MASK  0x20

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
1 file changed