arm/dts/ls2085a: Add DSPI dts node

Add DSPI controller dts node in fsl-ls2085a.dtsi

Signed-off-by: Haikun Wang <haikun.wang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

arch/arm/dts/fsl-ls2085a.dtsi

@@ -117,4 +117,13 @@
 		reg = <0x00000008 0x0c000000 0 0x40>,	 /* MC portal base */
 		      <0x00000000 0x08340000 0 0x40000>; /* MC control reg */
 	};
+
+	dspi: dspi@2100000 {
+		compatible = "fsl,vf610-dspi";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x0 0x2100000 0x0 0x10000>;
+		interrupts = <0 26 0x4>; /* Level high type */
+		num-cs = <6>;
+	};
 };