dm: gpio: vf610: Add GPIO driver support

Add GPIO driver support to Freescale VF610

Signed-off-by: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index ba9efe8..5864850 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -45,3 +45,4 @@
 obj-$(CONFIG_LPC32XX_GPIO)	+= lpc32xx_gpio.o
 obj-$(CONFIG_STM32_GPIO)	+= stm32_gpio.o
 obj-$(CONFIG_ZYNQ_GPIO)		+= zynq_gpio.o
+obj-$(CONFIG_VYBRID_GPIO)	+= vybrid_gpio.o