drm/bridge: Add myself as a reviewer for the Parade PS8640 bridge chip

Though the parade bridge chip is a little bit of a black box, I'm at
least interested in hearing about changes to the driver since this
bridge chip is used on some Chromebooks that I'm involved with.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220308110615.3.I04f99fbcc14b8c09610b4b18f0696c992a44d2b7@changeid

MAINTAINERS

@@ -6171,6 +6171,11 @@ S:	Maintained
 F:	Documentation/devicetree/bindings/display/panel/olimex,lcd-olinuxino.yaml
 F:	drivers/gpu/drm/panel/panel-olimex-lcd-olinuxino.c
 
+DRM DRIVER FOR PARADE PS8640 BRIDGE CHIP
+R:	Douglas Anderson <dianders@chromium.org>
+F:	Documentation/devicetree/bindings/display/bridge/ps8640.yaml
+F:	drivers/gpu/drm/bridge/parade-ps8640.c
+
 DRM DRIVER FOR PERVASIVE DISPLAYS REPAPER PANELS
 M:	Noralf Trønnes <noralf@tronnes.org>
 S:	Maintained