Add Intel Whitetip Mountain 2 mainboard

This is mostly a copy of Whitetip Mountain 1 with specific GPIO
map for this Customer Reference Board (CRB).

This mainboard currently has basic funcionality and is able to
boot a Linux Kernel but many of the new Haswell ULT specific
devices are not yet enabled.

Change-Id: I999452d86f00a2c245fa39b1b76080f6a3b1e352
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/2725
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
23 files changed