MAINTAINERS: add an entry for AMD DC DML

We want all DML changes to be reviewed by Chaitanya or Jun. So, add an
entry for DML to MAINTAINERS.
Suggested-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240703191341.239296-1-hamza.mahfooz@amd.com

MAINTAINERS

@@ -1000,6 +1000,13 @@ S:	Supported
 T:	git https://gitlab.freedesktop.org/agd5f/linux.git
 F:	drivers/gpu/drm/amd/display/
 
+AMD DISPLAY CORE - DML
+M:	Chaitanya Dhere <chaitanya.dhere@amd.com>
+M:	Jun Lei <jun.lei@amd.com>
+S:	Supported
+F:	drivers/gpu/drm/amd/display/dc/dml/
+F:	drivers/gpu/drm/amd/display/dc/dml2/
+
 AMD FAM15H PROCESSOR POWER MONITORING DRIVER
 M:	Huang Rui <ray.huang@amd.com>
 L:	linux-hwmon@vger.kernel.org