i40e: Check PCI_IOV config to avoid compile error

The call to i40e_alloc_vfs needs to be wrapped in CONFIG_PCI_IOV because
the function itself is wrapped in the same conditional compile block.

Change-ID: I663c5f1b85e5cfba0b36da8966f7db1a034f408b
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index e965cc5..0b34e8b 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -8368,6 +8368,7 @@
 		}
 	}
 
+#ifdef CONFIG_PCI_IOV
 	/* prep for VF support */
 	if ((pf->flags & I40E_FLAG_SRIOV_ENABLED) &&
 	    (pf->flags & I40E_FLAG_MSIX_ENABLED) &&
@@ -8390,6 +8391,7 @@
 					 err);
 		}
 	}
+#endif /* CONFIG_PCI_IOV */
 
 	pfs_found++;