MAINTAINERS: update imi,rdacm2x-gmsl.yaml reference

The file name: Documentation/devicetree/bindings/media/i2c/rdacm2x-gmsl.yaml
should be, instead: Documentation/devicetree/bindings/media/i2c/imi,rdacm2x-gmsl.yaml.

Update its cross-reference accordingly.

Fixes: 34009bff ("media: i2c: Add RDACM20 driver")
Fixes: e9f81768 ("media: dt-bindings: media: i2c: Add bindings for IMI RDACM2x")
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

MAINTAINERS

@@ -15086,7 +15086,7 @@ M:	Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
 M:	Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
 L:	linux-media@vger.kernel.org
 S:	Maintained
-F:	Documentation/devicetree/bindings/media/i2c/rdacm2x-gmsl.yaml
+F:	Documentation/devicetree/bindings/media/i2c/imi,rdacm2x-gmsl.yaml
 F:	drivers/media/i2c/max9271.c
 F:	drivers/media/i2c/max9271.h
 F:	drivers/media/i2c/rdacm21.c