assembler/bdw: Small cleanup
assembler/bdw: Small cleanup

This was originally part of:

commit 62298329350b965e4bbfc558e5a4b1b3646742ea
Author: Xiang, Haihao <haihao.xiang@intel.com>
Date:   Wed Aug 14 14:21:16 2013 -0700

    assembler: error for the wrong syntax of SEND instruction on GEN6+

I merged that patch separately, but this tiny hunk was leftover. In
order to not muck in changing too much history, I am leaving this as a
discrete patch, but with the changed commit message

Signed-off-by: Ben Widawsky <73675debcd8a436be48ec22211dcf44fe0df0a64@bwidawsk.net>

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