Merge tag 'tags/bcm2835-dt-fixes-2020-03-27' into devicetree/fixes

This patch is to be squashed into 55c7c0621078 ("ARM: dts: bcm283x: Fix
vc4's firmware bus DMA limitations") as it turned out to be faulty

Signed-off-by: Florian Fainelli <[e-mail]>

arch/arm/boot/dts/bcm2835-rpi.dtsi

···
 	soc {
 		firmware: firmware {
 			compatible = "raspberrypi,bcm2835-firmware", "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
 			mboxes = <&mailbox>;
 			dma-ranges;
 		};