xen/swiotlb: Pass addresses rather than frame numbers to xen_arch_need_swiotlb

xen/swiotlb: Pass addresses rather than frame numbers to xen_arch_need_swiotlb

With 64KB page granularity support, the frame number will be different.

It will be easier to modify the behavior in a single place rather than
in each caller.

Signed-off-by: Julien Grall <julien.grall@citrix.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
(cherry picked from commit 291be10fd7511101d44cf98166d049bd31bc7600)
Signed-off-by: Joao Martins <joao.m.martins@oracle.com>