mfd: lpc_ich: Avoton/Rangeley uses SPI_BYT method

commit 07d70913 upstream.

Avoton/Rangeley are based on Silvermount micro-architecture, like
Bay Trail, and uses the INTEL_SPI_BYT method to drive SPI.
Signed-off-by: Joakim Tjernlund <joakim.tjernlund@infinera.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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",