iommu/ipmmu-vmsa: Make IMBUSCTR setup optional

Introduce a feature to allow opt-out of setting up
IMBUSCR. The default case is unchanged.

Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Magnus Damm 2017-10-16 21:30:28 +09:00 • committed by Alex Williamson
commit f5c858912a