tipc: move and rename the legacy nl api to "nl compat"

The new netlink API is no longer "v2" but rather the standard API and
the legacy API is now "nl compat". We split them into separate
start/stop and put them in different files in order to further
distinguish them.

Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/tipc/bearer.c

@@ -658,7 +658,7 @@ static int __tipc_nl_add_bearer(struct tipc_nl_msg *msg,
 	struct nlattr *attrs;
 	struct nlattr *prop;
 
-	hdr = genlmsg_put(msg->skb, msg->portid, msg->seq, &tipc_genl_v2_family,
+	hdr = genlmsg_put(msg->skb, msg->portid, msg->seq, &tipc_genl_family,
 			  NLM_F_MULTI, TIPC_NL_BEARER_GET);
 	if (!hdr)
 		return -EMSGSIZE;
@@ -924,7 +924,7 @@ static int __tipc_nl_add_media(struct tipc_nl_msg *msg,
 	struct nlattr *attrs;
 	struct nlattr *prop;
 
-	hdr = genlmsg_put(msg->skb, msg->portid, msg->seq, &tipc_genl_v2_family,
+	hdr = genlmsg_put(msg->skb, msg->portid, msg->seq, &tipc_genl_family,
 			  NLM_F_MULTI, TIPC_NL_MEDIA_GET);
 	if (!hdr)
 		return -EMSGSIZE;