drm/i915/gvt: replaced register address with name

in init_skil_mmio_info, replaced register address with the known
name from i915_reg.h definition to improve code readbility.

Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Xiaolin Zhang <xiaolin.zhang@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
1 file changed