ARM: socfpga: Increase max number of GPIOs

Increase the maximum number of GPIOs on SoCFPGA as this platform
can have many GPIO controllers in the FPGA part.

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 4c1a35f..108c203 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1460,6 +1460,7 @@
 # selected platforms.
 config ARCH_NR_GPIO
 	int
+	default 2048 if ARCH_SOCFPGA
 	default 1024 if ARCH_BRCMSTB || ARCH_SHMOBILE || ARCH_TEGRA || \
 		ARCH_ZYNQ
 	default 512 if ARCH_EXYNOS || ARCH_KEYSTONE || SOC_OMAP5 || \