arm64: dts: zynqmp: Add clk cells for sdhci

Add clock-cells and clock-output-names for sdhci0 and sdhci1.
These are needed for linux sdhci driver from 5.4 version onwards.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/arm/dts/zynqmp.dtsi b/arch/arm/dts/zynqmp.dtsi
index ed28f1f..b117fc4 100644
--- a/arch/arm/dts/zynqmp.dtsi
+++ b/arch/arm/dts/zynqmp.dtsi
@@ -791,6 +791,8 @@
 			power-domains = <&zynqmp_firmware PD_SD_0>;
 			nvmem-cells = <&soc_revision>;
 			nvmem-cell-names = "soc_revision";
+			#clock-cells = <1>;
+			clock-output-names = "clk_out_sd0", "clk_in_sd0";
 		};
 
 		sdhci1: mmc@ff170000 {
@@ -807,6 +809,8 @@
 			power-domains = <&zynqmp_firmware PD_SD_1>;
 			nvmem-cells = <&soc_revision>;
 			nvmem-cell-names = "soc_revision";
+			#clock-cells = <1>;
+			clock-output-names = "clk_out_sd1", "clk_in_sd1";
 		};
 
 		pinctrl0: pinctrl@ff180000 {