arm64: dts: renesas: r8a77965: add USB 3.0 host node

This patch adds USB 3.0 host node for r8a77965.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm64/boot/dts/renesas/r8a77965.dtsi

@@ -956,8 +956,14 @@ usb3_peri0: usb@ee020000 {
 		};
 
 		xhci0: usb@ee000000 {
+			compatible = "renesas,xhci-r8a77965",
+				     "renesas,rcar-gen3-xhci";
 			reg = <0 0xee000000 0 0xc00>;
-			/* placeholder */
+			interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 328>;
+			power-domains = <&sysc 32>;
+			resets = <&cpg 328>;
+			status = "disabled";
 		};
 
 		wdt0: watchdog@e6020000 {