ARM: dts: enable pinctrl for Broadcom NSP

This enables the pinctrl support for Broadcom NSP SoC
Signed-off-by: NYendapally Reddy Dhananjaya Reddy <yrdreddy@broadcom.com>
Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com>

arch/arm/boot/dts/bcm-nsp.dtsi

@@ -277,5 +277,12 @@
 					     "usbclk", "iprocfast", "sata1",
 					     "sata2";
 		};
+
+		pinctrl: pinctrl@3f1c0 {
+			compatible = "brcm,nsp-pinmux";
+			reg = <0x3f1c0 0x04>,
+			      <0x30028 0x04>,
+			      <0x3f408 0x04>;
+		};
 	};
 };

arch/arm/boot/dts/bcm958625k.dts

@@ -105,3 +105,12 @@
 		};
 	};
 };
+
+&pinctrl {
+	pinctrl-names = "default";
+	pinctrl-0 = <&nand_sel>;
+	nand_sel: nand_sel {
+		function = "nand";
+		groups = "nand_grp";
+	};
+};