dts: P1010: Add eSPI controller DT node

Add eSPI controller DT node for P1010.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/arch/powerpc/dts/p1010si-post.dtsi b/arch/powerpc/dts/p1010si-post.dtsi
index 0289441..aa04f5f 100644
--- a/arch/powerpc/dts/p1010si-post.dtsi
+++ b/arch/powerpc/dts/p1010si-post.dtsi
@@ -23,6 +23,16 @@
 		single-cpu-affinity;
 		last-interrupt-source = <255>;
 	};
+
+	espi0: spi@7000 {
+		compatible = "fsl,mpc8536-espi";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x7000 0x1000>;
+		fsl,espi-num-chipselects = <1>;
+		status = "disabled";
+	};
+
 /include/ "pq3-i2c-0.dtsi"
 /include/ "pq3-i2c-1.dtsi"
 };