channel: add name field

This will be useful to display some human-readable type in logs
and the VTY.

include/osmocom/netif/channel.h

@@ -23,6 +23,7 @@ struct osmo_chan;
 struct msgb;
 
 struct osmo_chan_type {
+	char	*name;
 	int	type;
 	int	datasiz;
 

src/channel/abis_ipa_client.c

@@ -356,6 +356,7 @@ static int rsl_read_cb(struct osmo_stream_cli *conn)
 
 struct osmo_chan_type chan_abis_ipa_cli = {
 	.type		= CHAN_ABIS_IPA_CLI,
+	.name		= "A-bis IPA client",
 	.datasiz	= sizeof(struct chan_abis_ipa_cli),
 	.create		= chan_abis_ipa_cli_create,
 	.destroy	= chan_abis_ipa_cli_destroy,

src/channel/abis_ipa_server.c

@@ -508,6 +508,7 @@ static int rsl_read_cb(struct osmo_stream_srv *conn)
 
 struct osmo_chan_type chan_abis_ipa_srv = {
 	.type		= CHAN_ABIS_IPA_SRV,
+	.name		= "A-bis IPA server",
 	.datasiz	= sizeof(struct chan_abis_ipa_srv),
 	.create		= chan_abis_ipa_srv_create,
 	.destroy	= chan_abis_ipa_srv_destroy,