Enable the IOMMU device on all kahlee based mainboards.
BUG=b:116196614
TEST=Check dmesg for AMD-Vi messages.
Change-Id: I18b9ba1a970c6973226e736d72f82fd53010f31c
Signed-off-by: Marc Jones <marc.jones@scarletltd.com>
Reviewed-on: https://review.coreboot.org/28754
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>