ARM: dts: alt: Enable UHS-I SDR-104

And the sd-uhs-sdr104 property to SDHI0.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

arch/arm/boot/dts/r8a7794-alt.dts

@@ -307,6 +307,7 @@ &sdhi0 {
 	cd-gpios = <&gpio6 6 GPIO_ACTIVE_LOW>;
 	wp-gpios = <&gpio6 7 GPIO_ACTIVE_LOW>;
 	sd-uhs-sdr50;
+	sd-uhs-sdr104;
 	status = "okay";
 };