MAINTAINERS: update DRM DRIVERS patterns

Signed-off-by: Joe Perches <joe@perches.com>
Cc: David Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 5044156..24bd293 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2019,6 +2019,7 @@
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6.git
 S:	Maintained
 F:	drivers/gpu/drm/
+F:	include/drm/
 
 DSCC4 DRIVER
 M:	Francois Romieu <romieu@fr.zoreil.com>