MAINTAINERS: drop myself as maintainer

I will no longer regularly work on this platform. Hence will
step down from maintainer duties.

Also, add Jessica as a reviewer to the MSM DRM subsystem to help
out with the reviews.

Signed-off-by: Abhinav Kumar <[email protected]>
Acked-by: Rob Clark <[email protected]>
Patchwork: https://patchwork.freedesktop.org/patch/655558/
Signed-off-by: Rob Clark <[email protected]>

Author: Abhinav Kumar

MAINTAINERS

@@ -7522,8 +7522,9 @@ F:	include/uapi/drm/msm_drm.h
 
 DRM DRIVER for Qualcomm display hardware
 M:	Rob Clark <[email protected]>
-M:	Abhinav Kumar <[email protected]>
 M:	Dmitry Baryshkov <[email protected]>
+R:	Abhinav Kumar <[email protected]>
+R:	Jessica Zhang <[email protected]>
 R:	Sean Paul <[email protected]>
 R:	Marijn Suijten <[email protected]>
 L:	[email protected]