ARM: dts: s3c24xx: align SDHCI node name with dtschema

The node names should be generic and DT schema expects "mmc".
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Link: https://lore.kernel.org/r/20220626120342.38851-3-krzysztof.kozlowski@linaro.org

arch/arm/boot/dts/s3c2416.dtsi

@@ -45,7 +45,7 @@ uart_3: serial@5000c000 {
 		status = "disabled";
 	};
 
-	sdhci_1: sdhci@4ac00000 {
+	sdhci_1: mmc@4ac00000 {
 		compatible = "samsung,s3c6410-sdhci";
 		reg = <0x4AC00000 0x100>;
 		interrupts = <0 0 21 3>;
@@ -56,7 +56,7 @@ sdhci_1: sdhci@4ac00000 {
 		status = "disabled";
 	};
 
-	sdhci_0: sdhci@4a800000 {
+	sdhci_0: mmc@4a800000 {
 		compatible = "samsung,s3c6410-sdhci";
 		reg = <0x4A800000 0x100>;
 		interrupts = <0 0 20 3>;