scsi: qedi: Use correct msix count for fastpath vectors

Use MSI-X count provided by qed.

Link: https://lore.kernel.org/r/20200408064332.19377-4-mrangankar@marvell.com


Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: Manish Rangankar <mrangankar@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>