arch: powerpc: add eSDHC node to p2020 dts

Add eSDHC node to p2020 dts

Signed-off-by: Yinbo Zhu <yinbo.zhu@nxp.com>
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/arch/powerpc/dts/p2020-post.dtsi b/arch/powerpc/dts/p2020-post.dtsi
index f696f35..c07ed66 100644
--- a/arch/powerpc/dts/p2020-post.dtsi
+++ b/arch/powerpc/dts/p2020-post.dtsi
@@ -24,6 +24,13 @@
 		single-cpu-affinity;
 		last-interrupt-source = <255>;
 	};
+
+	esdhc: esdhc@2e000 {
+		compatible = "fsl,esdhc";
+		reg = <0x2e000 0x1000>;
+		/* Filled in by U-Boot */
+		clock-frequency = <0>;
+	};
 };
 
 /* PCIe controller base address 0x8000 */