ARM: dts: sh73a0: Use SoC-specific compat string for mmcif

Use the SoC-specific compat string for mmcif in DT for the sh73a0 SoC.
This is in keeping with the use of compat strings for mmcif for other
Renesas ARM based SoCs.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm/boot/dts/sh73a0.dtsi

@@ -263,7 +263,7 @@
 	};
 
 	mmcif: mmc@e6bd0000 {
-		compatible = "renesas,sh-mmcif";
+		compatible = "renesas,mmcif-sh73a0", "renesas,sh-mmcif";
 		reg = <0xe6bd0000 0x100>;
 		interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH
 			      GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>;