arm64: dts: renesas: r8a774a1: Fix hsusb reg size

HS-USB has registers outside the currently specified memory area,
therefore change the definition accordingly.

Fixes: ed898d4f ("arm64: dts: renesas: r8a774a1: Add USB-DMAC and HSUSB device nodes")
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm64/boot/dts/renesas/r8a774a1.dtsi

@@ -599,7 +599,7 @@ hscif4: serial@e66b0000 {
 		hsusb: usb@e6590000 {
 			compatible = "renesas,usbhs-r8a774a1",
 				     "renesas,rcar-gen3-usbhs";
-			reg = <0 0xe6590000 0 0x100>;
+			reg = <0 0xe6590000 0 0x200>;
 			interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 704>;
 			dmas = <&usb_dmac0 0>, <&usb_dmac0 1>,