Update ipk package config with syslog. Update changelog.

Author: brocaar

docs/content/overview/changelog.md

@@ -20,6 +20,11 @@ The [Concentratord](https://www.chirpstack.io/gateway-bridge/backends/concentrat
 [ChirpStack Concentratord](https://github.com/brocaar/chirpstack-concentratord)
 daemon. Please note that this backend is experimental.
 
+#### Syslog output
+
+When `log_to_syslog` is enabled in the configuration file, the log output will
+be written to syslog.
+
 ### Improvements
 
 * Change MQTT max. reconnect interval default value to 1 minute.

packaging/vendor/dragino/LG308/files/chirpstack-gateway-bridge.toml

@@ -6,6 +6,16 @@
 # configuration example and documentation.
 
 
+[general]
+# debug=5, info=4, warning=3, error=2, fatal=1, panic=0
+log_level=4
+
+# Log to syslog.
+#
+# When set to true, log messages are being written to syslog.
+log_to_syslog=true
+
+
 # Gateway backend configuration.
 [backend]
 # Backend type.

packaging/vendor/kerlink/ibts/files/chirpstack-gateway-bridge.toml

@@ -6,6 +6,16 @@
 # configuration example and documentation.
 
 
+[general]
+# debug=5, info=4, warning=3, error=2, fatal=1, panic=0
+log_level=4
+
+# Log to syslog.
+#
+# When set to true, log messages are being written to syslog.
+log_to_syslog=true
+
+
 # Gateway backend configuration.
 [backend]
 # Backend type.

packaging/vendor/kerlink/ifemtocell/files/chirpstack-gateway-bridge.toml

@@ -6,6 +6,16 @@
 # configuration example and documentation.
 
 
+[general]
+# debug=5, info=4, warning=3, error=2, fatal=1, panic=0
+log_level=4
+
+# Log to syslog.
+#
+# When set to true, log messages are being written to syslog.
+log_to_syslog=true
+
+
 # Gateway backend configuration.
 [backend]
 # Backend type.

packaging/vendor/multitech/conduit/files/chirpstack-gateway-bridge.toml

@@ -6,6 +6,16 @@
 # configuration example and documentation.
 
 
+[general]
+# debug=5, info=4, warning=3, error=2, fatal=1, panic=0
+log_level=4
+
+# Log to syslog.
+#
+# When set to true, log messages are being written to syslog.
+log_to_syslog=true
+
+
 # Gateway backend configuration.
 [backend]
 # Backend type.

packaging/vendor/tektelic/kona-macro/files/chirpstack-gateway-bridge.toml

@@ -6,6 +6,16 @@
 # configuration example and documentation.
 
 
+[general]
+# debug=5, info=4, warning=3, error=2, fatal=1, panic=0
+log_level=4
+
+# Log to syslog.
+#
+# When set to true, log messages are being written to syslog.
+log_to_syslog=true
+
+
 # Gateway backend configuration.
 [backend]
 # Backend type.

packaging/vendor/tektelic/kona-mega/files/chirpstack-gateway-bridge.toml

@@ -6,6 +6,26 @@
 # configuration example and documentation.
 
 
+[general]
+# debug=5, info=4, warning=3, error=2, fatal=1, panic=0
+log_level=4
+
+# Log to syslog.
+#
+# When set to true, log messages are being written to syslog.
+log_to_syslog=true
+
+
+[general]
+# debug=5, info=4, warning=3, error=2, fatal=1, panic=0
+log_level=4
+
+# Log to syslog.
+#
+# When set to true, log messages are being written to syslog.
+log_to_syslog=true
+
+
 # Gateway backend configuration.
 [backend]
 # Backend type.