ARM: dts: r8a73a4: Update CMT compat string

Use the recently updated r8a73a4 CMT1 compat string.

With this change in place we can keep device-specific configuration in
the driver and the driver can be able to support CMT1 specific features.

Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a73a4.dtsi

@@ -132,7 +132,7 @@
 	};
 
 	cmt1: timer@e6130000 {
-		compatible = "renesas,cmt-48-r8a73a4", "renesas,cmt-48-gen2";
+		compatible = "renesas,r8a73a4-cmt1", "renesas,rcar-gen2-cmt1";
 		reg = <0 0xe6130000 0 0x1004>;
 		interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp3_clks R8A73A4_CLK_CMT1>;