rockchip: rk3566-radxa-cm3-io: Use pinctrl for sdmmc and sdhci in SPL

Enable pinctrl for sdmmc and sdhci in SPL to support loading of FIT
image from SD and eMMC storage when booting from SPI NOR flash.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/dts/rk3566-radxa-cm3-io-u-boot.dtsi b/arch/arm/dts/rk3566-radxa-cm3-io-u-boot.dtsi
index a8c31fe..f91740c 100644
--- a/arch/arm/dts/rk3566-radxa-cm3-io-u-boot.dtsi
+++ b/arch/arm/dts/rk3566-radxa-cm3-io-u-boot.dtsi
@@ -11,11 +11,67 @@
 	};
 };
 
+&emmc_bus8 {
+	bootph-all;
+};
+
+&emmc_clk {
+	bootph-all;
+};
+
+&emmc_cmd {
+	bootph-all;
+};
+
+&emmc_datastrobe {
+	bootph-all;
+};
+
+&pinctrl {
+	bootph-all;
+};
+
+&pcfg_pull_none {
+	bootph-all;
+};
+
+&pcfg_pull_up_drv_level_2 {
+	bootph-all;
+};
+
+&pcfg_pull_up {
+	bootph-all;
+};
+
+&sdmmc0_bus4 {
+	bootph-all;
+};
+
+&sdmmc0_clk {
+	bootph-all;
+};
+
+&sdmmc0_cmd {
+	bootph-all;
+};
+
+&sdmmc0_det {
+	bootph-all;
+};
+
+&sdmmc0_pwren {
+	bootph-all;
+};
+
 &sdhci {
 	cap-mmc-highspeed;
 	mmc-ddr-1_8v;
 };
 
+&uart2m0_xfer {
+	bootph-all;
+};
+
 &uart2 {
 	clock-frequency = <24000000>;
 	bootph-all;