mfd: lpc_ich: Change Avoton to iTCO v3

The register layout of the Avoton is compatible with the iTCO v3
register layout.

Signed-off-by: Peter Tyser <[email protected]>
Tested-by: Rajat Jain <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
diff --git a/drivers/mfd/lpc_ich.c b/drivers/mfd/lpc_ich.c
index c068337..b201b0d 100644
--- a/drivers/mfd/lpc_ich.c
+++ b/drivers/mfd/lpc_ich.c
@@ -501,7 +501,7 @@
 	},
 	[LPC_AVN] = {
 		.name = "Avoton SoC",
-		.iTCO_version = 1,
+		.iTCO_version = 3,
 		.gpio_version = AVOTON_GPIO,
 	},
 	[LPC_COLETO] = {