ARM: shmobile: marzen: defconfig: add GPIO RCAR driver support

This enables the driver added in "gpio: Renesas R-Car GPIO driver V3"

Cc: Magnus Damm <damm@opensource.se>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/configs/marzen_defconfig

@@ -79,6 +79,7 @@ CONFIG_I2C_RCAR=y
 CONFIG_SPI=y
 CONFIG_SPI_SH_HSPI=y
 CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_RCAR=y
 # CONFIG_HWMON is not set
 CONFIG_THERMAL=y
 CONFIG_RCAR_THERMAL=y