dts: P3041DS: Add ESPI slave device node

Add ESPI slave node for P3041DS.

Signed-off-by: Xiaowei Bao <xiaowei.bao@nxp.com>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
[Rebased]
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/arch/powerpc/dts/p3041ds.dts b/arch/powerpc/dts/p3041ds.dts
index b984dde..069dae3 100644
--- a/arch/powerpc/dts/p3041ds.dts
+++ b/arch/powerpc/dts/p3041ds.dts
@@ -27,6 +27,7 @@
 		emi1_rgmii = &hydra_mdio_rgmii;
 		emi1_sgmii = &hydra_mdio_sgmii;
 		emi2_xgmii = &hydra_mdio_xgmii;
+		spi0 = &espi0;
 	};
 
 	soc: soc@ffe000000 {
@@ -142,4 +143,16 @@
 	};
 };
 
+&espi0 {
+	status = "okay";
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		reg = <0>;
+		/* input clock */
+		spi-max-frequency = <10000000>;
+	};
+};
+
 /include/ "p3041si-post.dtsi"