drm/msm/sde: Omit debug logging code

We're not going to debug the SDE driver in production. Don't compile the
code at all to reduce the measurably significant overhead in frame commit
hotpaths.

Signed-off-by: Danny Lin <danny@kdrag0n.dev>
Signed-off-by: engstk <eng.stk@sapo.pt>
Signed-off-by: mcdachpappe <noreference@web.de>
Signed-off-by: Cykeek <Cykeek@proton.me>