video: Add support for Arm's Mali Display Processors

Add support for Arm Mali Display Processors DP500, DP550 and DP650.
Only one layer is being used to display the console or boot logo,
even if more layers are supported in the hardware.

Signed-off-by: Liviu Dudau <liviu.dudau@foss.arm.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 072e73e..4551843 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -440,6 +440,12 @@
 F:	test/log/log_test.c
 F:	test/py/tests/test_log.py
 
+MALI DISPLAY PROCESSORS
+M:	Liviu Dudau <liviu.dudau@foss.arm.com>
+S:	Supported
+T:	git git://github.com/ARM-software/u-boot.git
+F:	drivers/video/mali_dp.c
+
 MICROBLAZE
 M:	Michal Simek <monstr@monstr.eu>
 S:	Maintained