mainboard/lenovo/t420s/Kconfig: select NO_UART_ON_SUPERIO

same as 37130ebdab

Change-Id: I73feed3a077dfcc61634147775df1e05fdb97e8b
Signed-off-by: Nicolas Reinecke <nr@das-labor.org>
Reviewed-on: http://review.coreboot.org/8278
Tested-by: build bot (Jenkins)
Reviewed-by: Philipp Deppenwiese <zaolin@das-labor.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/mainboard/lenovo/t420s/Kconfig

@@ -8,6 +8,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select SOUTHBRIDGE_INTEL_BD82X6X
 	select EC_LENOVO_PMH7
 	select EC_LENOVO_H8
+	select NO_UART_ON_SUPERIO
 	select BOARD_ROMSIZE_KB_8192
 	select HAVE_ACPI_TABLES
 	select HAVE_OPTION_TABLE