arm64: vulcan: enable GPIOLIB in Kconfig

Add select GPIOLIB in Kconfig for Broadcom Vulcan ARM64 GPIO driver.

Signed-off-by: Kamlakant Patel <kamlakant.patel@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
1 file changed