bonding: convert arp_interval to use the new option API

This patch adds the necessary changes so arp_interval would use
the new bonding option API. The "default" definition has been removed as
it was 0.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bonding/bond_options.h b/drivers/net/bonding/bond_options.h
index e80a031..f02b857 100644
--- a/drivers/net/bonding/bond_options.h
+++ b/drivers/net/bonding/bond_options.h
@@ -44,6 +44,7 @@
 	BOND_OPT_ARP_VALIDATE,
 	BOND_OPT_ARP_ALL_TARGETS,
 	BOND_OPT_FAIL_OVER_MAC,
+	BOND_OPT_ARP_INTERVAL,
 	BOND_OPT_LAST
 };
 
@@ -114,4 +115,6 @@
 				    struct bond_opt_value *newval);
 int bond_option_fail_over_mac_set(struct bonding *bond,
 				  struct bond_opt_value *newval);
+int bond_option_arp_interval_set(struct bonding *bond,
+				 struct bond_opt_value *newval);
 #endif /* _BOND_OPTIONS_H */