mfd: lpc_ich: Add support for Intel Avoton GPIOs

Signed-off-by: Vincent Donnefort <vdonnefort@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/drivers/mfd/lpc_ich.c b/drivers/mfd/lpc_ich.c
index 010c1b4..17eff09 100644
--- a/drivers/mfd/lpc_ich.c
+++ b/drivers/mfd/lpc_ich.c
@@ -499,6 +499,7 @@
 	[LPC_AVN] = {
 		.name = "Avoton SoC",
 		.iTCO_version = 1,
+		.gpio_version = AVOTON_GPIO,
 	},
 	[LPC_COLETO] = {
 		.name = "Coleto Creek",