mfd: lpc_ich: Avoton/Rangeley uses SPI_BYT method

Avoton/Rangeley are based on Silvermount micro-architecture, like
Bay Trail, and uses the INTEL_SPI_BYT method to drive SPI.

Cc: [email protected]
Signed-off-by: Joakim Tjernlund <[email protected]>
Acked-by: Mika Westerberg <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
diff --git a/drivers/mfd/lpc_ich.c b/drivers/mfd/lpc_ich.c
index 450ae36..cf1120a 100644
--- a/drivers/mfd/lpc_ich.c
+++ b/drivers/mfd/lpc_ich.c
@@ -522,6 +522,7 @@ static struct lpc_ich_info lpc_chipset_info[] = {
 		.name = "Avoton SoC",
 		.iTCO_version = 3,
 		.gpio_version = AVOTON_GPIO,
+		.spi_type = INTEL_SPI_BYT,
 	},
 	[LPC_BAYTRAIL] = {
 		.name = "Bay Trail SoC",