ARM: DT: STi: STiH418: Fix mmc0 clock configuration

This patch configure correctly the MMC-0 clock for STiH418 platform.
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org>
Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>

arch/arm/boot/dts/stih418.dtsi

@@ -99,5 +99,11 @@ ehci1: usb@9a83e00 {
 			phys = <&usb2_picophy2>;
 			phy-names = "usb";
 		};
+
+		mmc0: sdhci@09060000 {
+			assigned-clocks = <&clk_s_c0_flexgen CLK_MMC_0>;
+			assigned-clock-parents = <&clk_s_c0_pll1 0>;
+			assigned-clock-rates = <200000000>;
+		};
 	};
 };