X201: Add missing LPC registers

Without them PMH7 is inaccessible from running system.

Change-Id: Ib5a524325040e253a9d914906f90263fc208c313
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4655
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
1 file changed