riscv: dts: sophgo: use real clock for sdhci

As the clk patch is merged, Use real clocks for sdhci0.
Reviewed-by: Chen Wang <unicorn_wang@outlook.com>
Link: https://lore.kernel.org/r/IA1PR20MB4953CA5D46EA8913B130D502BB052@IA1PR20MB4953.namprd20.prod.outlook.comSigned-off-by: Inochi Amaoto <inochiama@outlook.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>

arch/riscv/boot/dts/sophgo/cv18xx.dtsi

@@ -47,13 +47,6 @@ osc: oscillator {
 		#clock-cells = <0>;
 	};
 
-	sdhci_clk: sdhci-clock {
-		compatible = "fixed-clock";
-		clock-frequency = <375000000>;
-		clock-output-names = "sdhci_clk";
-		#clock-cells = <0>;
-	};
-
 	soc {
 		compatible = "simple-bus";
 		interrupt-parent = <&plic>;
@@ -298,8 +291,9 @@ sdhci0: mmc@4310000 {
 			compatible = "sophgo,cv1800b-dwcmshc";
 			reg = <0x4310000 0x1000>;
 			interrupts = <36 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&sdhci_clk>;
-			clock-names = "core";
+			clocks = <&clk CLK_AXI4_SD0>,
+				 <&clk CLK_SD0>;
+			clock-names = "core", "bus";
 			status = "disabled";
 		};