soc: mediatek: pm-domains: Allow bus protection to ignore clear ack

In some cases the hardware does not create an acknowledgment of the
bus protection clearing. Add a flag to the bus protection indicating
that a clear event will be ignored.

Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201030113622.201188-10-enric.balletbo@collabora.com


Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>