drm: use kernel macros
drm: use kernel macros

Make some of the DRM_ macros use the real kernel macros.

Signed-off-by: Dave Airlie <f2295d84e358395675bc8031be58672073ae065e@linux.ie>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas