ARM: dts: uniphier: add SD/MMC pinmux nodes

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

arch/arm/dts/uniphier-pinctrl.dtsi

@@ -7,6 +7,11 @@
  */
 
 &pinctrl {
+	pinctrl_emmc: emmc_grp {
+		groups = "emmc", "emmc_dat8";
+		function = "emmc";
+	};
+
 	pinctrl_i2c0: i2c0_grp {
 		groups = "i2c0";
 		function = "i2c0";
@@ -27,6 +32,16 @@
 		function = "i2c3";
 	};
 
+	pinctrl_sd: sd_grp {
+		groups = "sd";
+		function = "sd";
+	};
+
+	pinctrl_sd1: sd1_grp {
+		groups = "sd1";
+		function = "sd1";
+	};
+
 	pinctrl_uart0: uart0_grp {
 		groups = "uart0";
 		function = "uart0";