ARM: dts: rockchip: fix typo in rk3036 mmc pinctrl

replace sdmcc with sdmmc rk3036.dtsi
Signed-off-by: Klaus Goger <klaus.goger@theobroma-systems.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/rk3036.dtsi

@@ -599,7 +599,7 @@ sdmmc_cmd: sdmmc-cmd {
 				rockchip,pins = <1 15 RK_FUNC_1 &pcfg_pull_default>;
 			};
 
-			sdmmc_cd: sdmcc-cd {
+			sdmmc_cd: sdmmc-cd {
 				rockchip,pins = <1 17 RK_FUNC_1 &pcfg_pull_default>;
 			};