MAINTAINERS: Document Imagination PowerVR driver patches go via drm-misc

This is the tree used by nearly all other DRM drivers, so use it for the
PowerVR driver as well.

Signed-off-by: Frank Binns <[email protected]>
Signed-off-by: Maxime Ripard <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: frankbinns

MAINTAINERS

@@ -10397,6 +10397,7 @@ M:	Frank Binns <[email protected]>
 M:	Donald Robson <[email protected]>
 M:	Matt Coster <[email protected]>
 S:	Supported
+T:	git git://anongit.freedesktop.org/drm/drm-misc
 F:	Documentation/devicetree/bindings/gpu/img,powervr.yaml
 F:	Documentation/gpu/imagination/
 F:	drivers/gpu/drm/imagination/