vfio/qat: add support for Intel QAT 420xx VFs

Extend the qat_vfio_pci variant driver to support QAT 420xx (GEN 5)
Virtual Functions (VFs).

Add the relevant VF device ID to the probe table.

Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Link: https://lore.kernel.org/r/20260320213622.88549-2-giovanni.cabiddu@intel.com
Signed-off-by: Alex Williamson <alex@shazbot.org>

Author: gcabiddu

drivers/vfio/pci/qat/main.c

@@ -672,6 +672,8 @@ static const struct pci_device_id qat_vf_vfio_pci_table[] = {
 	{ PCI_DRIVER_OVERRIDE_DEVICE_VFIO(PCI_VENDOR_ID_INTEL, 0x4941) },
 	{ PCI_DRIVER_OVERRIDE_DEVICE_VFIO(PCI_VENDOR_ID_INTEL, 0x4943) },
 	{ PCI_DRIVER_OVERRIDE_DEVICE_VFIO(PCI_VENDOR_ID_INTEL, 0x4945) },
+	/* Intel QAT GEN5 420xx VF device */
+	{ PCI_DRIVER_OVERRIDE_DEVICE_VFIO(PCI_VENDOR_ID_INTEL, 0x4947) },
 	/* Intel QAT GEN6 6xxx VF device */
 	{ PCI_DRIVER_OVERRIDE_DEVICE_VFIO(PCI_VENDOR_ID_INTEL, 0x4949) },
 	{}