ARM: dts: r8a7740: Add CEU1

Describe CEU1 peripheral for Renesas R-Mobile A1 R8A7740 Soc.
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>
Reviewed-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: NJacopo Mondi <jacopo+renesas@jmondi.org>

arch/arm/boot/dts/r8a7740.dtsi

@@ -76,6 +76,15 @@
 		status = "disabled";
 	};
 
+	ceu1: ceu@fe914000 {
+		reg = <0xfe914000 0x3000>;
+		compatible = "renesas,r8a7740-ceu";
+		interrupts = <GIC_SPI 159 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&mstp1_clks R8A7740_CLK_CEU21>;
+		power-domains = <&pd_a4r>;
+		status = "disabled";
+	};
+
 	cmt1: timer@e6138000 {
 		compatible = "renesas,cmt-48-r8a7740", "renesas,cmt-48";
 		reg = <0xe6138000 0x170>;