mainboards/lenovo/t400: Remove X200-specific code

Change-Id: Ic3503938b996bbf31f1417923f019a7bc722b9fd
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/10429
Reviewed-by: Edward O'Callaghan <edward.ocallaghan@koparo.com>
Tested-by: build bot (Jenkins)
5 files changed