media: arm64: dts: st: add video decoder support to stm32mp255

Add VDEC hardware video decoder support to STM32MP255.

Signed-off-by: Hugues Fruchet <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

arch/arm64/boot/dts/st/stm32mp251.dtsi

···
 			compatible = "fixed-clock";
 			clock-frequency = <200000000>;
 		};
+
+		ck_icn_p_vdec: ck-icn-p-vdec {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <200000000>;
+		};
 	};
 
 	firmware {

arch/arm64/boot/dts/st/stm32mp255.dtsi

···
 #include "stm32mp253.dtsi"
 
 / {
+	soc@0 {
+		rifsc: rifsc-bus@42080000 {
+			vdec: vdec@480d0000 {
+				compatible = "st,stm32mp25-vdec";
+				reg = <0x480d0000 0x3c8>;
+				interrupts = <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&ck_icn_p_vdec>;
+			};
+		};
+	};
 };