ntb: intel: Fix memleak in intel_ntb_pci_probe

The default error branch of a series of pdev_is_gen calls
should free ndev just like what we've done in these calls.

Fixes: 26bfe3d0b227 ("ntb: intel: Add Icelake (gen4) support for Intel NTB")
Signed-off-by: Dinghao Liu <[e-mail]>
Acked-by: Dave Jiang <[e-mail]>
Signed-off-by: Jon Mason <[e-mail]>

drivers/ntb/hw/intel/ntb_hw_gen1.c

···
 			goto err_init_dev;
 	} else {
 		rc = -EINVAL;
-		goto err_ndev;
+		goto err_init_pci;
 	}
 
 	ndev_reset_unsafe_flags(ndev);