[PATCH] gpio: sama5d2-piobu: Depend on OF_GPIO

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

This driver clearly needs OF_GPIO so depend on it.
Fixes a build error.

Cc: Andrei Stefanescu <Andrei.Stefanescu@xxxxxxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
 drivers/gpio/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 7b3e4e19a799..b5a2845347ec 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -441,6 +441,7 @@ config GPIO_REG
 config GPIO_SAMA5D2_PIOBU
 	tristate "SAMA5D2 PIOBU GPIO support"
 	depends on MFD_SYSCON
+	depends on OF_GPIO
 	select GPIO_SYSCON
 	help
 	  Say yes here to use the PIOBU pins as GPIOs.
-- 
2.19.2