ARM: dts: bcm2835-rpi: Move duplicate firmware-clocks to bcm2835-rpi.dtsi

The Raspberry Pi firmware handles clocks on all BCM2835-derived SoCs. It
is currently defined identically in both bcm2711-rpi.dtsi and
bcm2835-rpi-common.dtsi. Move the definitions to the common
bcm2835-rpi.dtsi file.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Link: https://lore.kernel.org/r/20240402000424.4650-6-laurent.pinchart@ideasonboard.comSigned-off-by: Florian Fainelli <florian.fainelli@broadcom.com>

arch/arm/boot/dts/broadcom/bcm2711-rpi.dtsi

@@ -20,11 +20,6 @@ aliases {
 };
 
 &firmware {
-	firmware_clocks: clocks {
-		compatible = "raspberrypi,firmware-clocks";
-		#clock-cells = <1>;
-	};
-
 	expgpio: gpio {
 		compatible = "raspberrypi,firmware-gpio";
 		gpio-controller;

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

@@ -7,13 +7,6 @@
 
 #include <dt-bindings/power/raspberrypi-power.h>
 
-&firmware {
-	firmware_clocks: clocks {
-		compatible = "raspberrypi,firmware-clocks";
-		#clock-cells = <1>;
-	};
-};
-
 &hdmi {
 	clocks = <&firmware_clocks 9>,
 		 <&firmware_clocks 13>;

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

@@ -5,6 +5,11 @@ soc {
 		firmware: firmware {
 			compatible = "raspberrypi,bcm2835-firmware", "simple-mfd";
 			mboxes = <&mailbox>;
+
+			firmware_clocks: clocks {
+				compatible = "raspberrypi,firmware-clocks";
+				#clock-cells = <1>;
+			};
 		};
 
 		power: power {