lpfc: The linux driver does not reinitiate discovery after a failed FLOGI

Forgot to clear FCF Discovery in-progress flag upon FLOGI failures.
Thus we didn't restart FLOGI.

Signed-off-by: Dick Kennedy <dick.kennedy@avagotech.com>
Signed-off-by: James Smart <james.smart@avagotech.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>