vDPA/ifcvf: decouple config IRQ releaser from the adapter

vDPA/ifcvf: decouple config IRQ releaser from the adapter

commit bd214e449c3560a5f4e92d6f719af13e2a63b7b4 upstream.

This commit decouples config IRQ releaser from the adapter,
so that it could be invoked once probe or in err handlers.
ifcvf_free_irq() works on ifcvf_hw in this commit

Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Cc: stable@vger.kernel.org
Message-Id: <20221125145724.1129962-6-lingshan.zhu@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>