network: add network_bss_list_get_entries

Gets the first l_queue_entry in the networks BSS list. Useful
for iterating only a given networks BSS's outside of network.c.

src/network.c

@@ -761,6 +761,12 @@ bool network_has_erp_identity(struct network *network)
 	return ret;
 }
 
+const struct l_queue_entry *network_bss_list_get_entries(
+						struct network *network)
+{
+	return l_queue_get_entries(network->bss_list);
+}
+
 struct scan_bss *network_bss_select(struct network *network,
 						bool fallback_to_blacklist)
 {

src/network.h

@@ -81,3 +81,6 @@ const struct iovec *network_get_extra_ies(struct network *network,
 						size_t *num_elems);
 
 bool network_has_erp_identity(struct network *network);
+
+const struct l_queue_entry *network_bss_list_get_entries(
+						struct network *network);