arm64: zynqmp: Sync gpio-controller name location

Sync location with mainline kernel.
Added by Linux kernel commit 75926f07baae
("arm64: dts: zynqmp: Add missing gpio-controller to ps gpio").

Fixes: 0b33e0b15600 ("arm64: zynqmp: Add missing gpio property to dtsi")
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
1 file changed