assembler: Import brw_defines.h from Mesa
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 <64bd3cb94f359c1a3ce68dae5e26b40578526277@intel.com>

yipdw/intel-gpu-tools,chenxianqin/intel-gpu-tools,mv0/intel-gpu-tools,rib/intel-gpu-tools,rib/intel-gpu-tools,mv0/intel-gpu-tools,ChrisCummins/intel-gpu-tools,tiagovignatti/intel-gpu-tools,yipdw/intel-gpu-tools,yipdw/intel-gpu-tools,ChrisCummins/intel-gpu-tools,chenxianqin/intel-gpu-tools,ChrisCummins/intel-gpu-tools,chenxianqin/intel-gpu-tools,erikarn/intel-gpu-tools,dlespiau/checkmate-test-igt,yipdw/intel-gpu-tools,erikarn/intel-gpu-tools,dlespiau/checkmate-test-igt,erikarn/intel-gpu-tools,ChrisCummins/intel-gpu-tools,rib/intel-gpu-tools,mv0/intel-gpu-tools,rib/intel-gpu-tools,tiagovignatti/intel-gpu-tools,chenxianqin/intel-gpu-tools,erikarn/intel-gpu-tools,dlespiau/checkmate-test-igt,dlespiau/checkmate-test-igt,mv0/intel-gpu-tools,tiagovignatti/intel-gpu-tools,tiagovignatti/intel-gpu-tools