iommu/dart: Call apple_dart_finalize_domain() as part of alloc_paging()

In many cases the dev argument will now be !NULL so we should use it to
finalize the domain at allocation.

Make apple_dart_finalize_domain() accept the correct type.

Reviewed-by: Janne Grunau <j@jannau.net>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Acked-by: Sven Peter <sven@svenpeter.dev>
Link: https://lore.kernel.org/r/8-v2-bff223cf6409+282-dart_paging_jgg@nvidia.com


Signed-off-by: Joerg Roedel <jroedel@suse.de>