ARM: dts: r8a7790: fix max-frequency for SDHI

The wrong values come from an old datasheet (H2 v0.6). Anything later
has the fixed value of 195MHz (H2 v0.7 up to Gen2-common V2.0).
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7790.dtsi

@@ -589,7 +589,7 @@ sdhi0: sd@ee100000 {
 		clocks = <&mstp3_clks R8A7790_CLK_SDHI0>;
 		dmas = <&dmac1 0xcd>, <&dmac1 0xce>;
 		dma-names = "tx", "rx";
-		max-frequency = <156000000>;
+		max-frequency = <195000000>;
 		power-domains = <&cpg_clocks>;
 		status = "disabled";
 	};
@@ -601,7 +601,7 @@ sdhi1: sd@ee120000 {
 		clocks = <&mstp3_clks R8A7790_CLK_SDHI1>;
 		dmas = <&dmac1 0xc9>, <&dmac1 0xca>;
 		dma-names = "tx", "rx";
-		max-frequency = <156000000>;
+		max-frequency = <195000000>;
 		power-domains = <&cpg_clocks>;
 		status = "disabled";
 	};