media: dt-bindings: media: renesas,fdp1: Make power-domains mandatory

All DT source files in the kernel tree specify the power-domains
property. Make it mandatory.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

Documentation/devicetree/bindings/media/renesas,fdp1.yaml

@@ -43,6 +43,7 @@ required:
   - reg
   - interrupts
   - clocks
+  - power-domains
 
 additionalProperties: false