vdpa: Use BIT_ULL for bit operations

All masks in this file are 64 bits. Change BIT to BIT_ULL.

Other occurences use (1 << val) which yields a 32 bit value. Change them
to use BIT_ULL too.

Reviewed-by: Si-Wei Liu <si-wei.liu@oracle.com>
Signed-off-by: Eli Cohen <elic@nvidia.com>
Link: https://lore.kernel.org/r/20220105114646.577224-14-elic@nvidia.com


Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>