vDPA/ifcvf: alloc the mgmt_dev before the adapter

vDPA/ifcvf: alloc the mgmt_dev before the adapter

commit a59d58ca185c15c9736bdf18f4e3a7115ac602e1 upstream.

This commit reverses the order of allocating the
management device and the adapter. So that it would
be possible to move the allocation of the adapter
to dev_add().

Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Cc: stable@vger.kernel.org
Message-Id: <20221125145724.1129962-4-lingshan.zhu@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>