disp: msm: sde: use tracing_mark_write as a node point for sde traces

This change uses tracing_mark_write as default trace 
point for msm drm driver traces.

Change-Id: I13056a8ff0513935f31bef7d8280c0a95c4394b6
Signed-off-by: Narendra Muppalla <NarendraM@codeaurora.org>