ARM: dts: socfpga: Enable GPIO parent for Arria10 SR chip

Enable the Altera Arria10 GPIO parent for MFD operation.
Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>

arch/arm/boot/dts/socfpga_arria10_socdk.dtsi

@@ -75,6 +75,10 @@ &gmac0 {
 	status = "okay";
 };
 
+&gpio1 {
+	status = "okay";
+};
+
 &spi1 {
 	status = "okay";