arm64: berlin: enable ARCH_REQUIRE_GPIOLIB

All berlin SoCs have GPIOs driven by the dwapb GPIO driver. Add GPIOLIB
as a dependency to be able to support them.

Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index 23800a1..c6e2c75 100644
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -7,6 +7,7 @@
 
 config ARCH_BERLIN
 	bool "Marvell Berlin SoC Family"
+	select ARCH_REQUIRE_GPIOLIB
 	select DW_APB_ICTL
 	help
 	  This enables support for Marvell Berlin SoC Family