liquidio: set sriov_totalvfs correctly

The file /sys/devices/pci000.../sriov_totalvfs is showing a wrong value.
Fix it by calling pci_sriov_set_totalvfs() to set the total number of VFs
available after calculations for the number of PF and VF queues are made.

Signed-off-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>