arm64: zynqmp: Enable gpio driver for zcu1275/zcu1285

Enable gpio driver on these boards. GPIOs can be used on any board.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/arm/dts/zynqmp-zcu1275-revA.dts b/arch/arm/dts/zynqmp-zcu1275-revA.dts
index cdd5c34..b9a9d98 100644
--- a/arch/arm/dts/zynqmp-zcu1275-revA.dts
+++ b/arch/arm/dts/zynqmp-zcu1275-revA.dts
@@ -39,6 +39,10 @@
 	status = "okay";
 };
 
+&gpio {
+	status = "okay";
+};
+
 &qspi {
 	status = "okay";
 	flash@0 {