Fixed default path for tcp_kiss client.

The tcp_kiss client initialization was using the serial_kiss client's
path setting.

aprsd/clients/kiss.py

@@ -50,7 +50,7 @@ class KISS3Client:
                 port=CONF.kiss_tcp.port,
                 strip_df_start=True,
             )
-            self.path = CONF.kiss_serial.path
+            self.path = CONF.kiss_tcp.path
 
         LOG.debug("Starting KISS interface connection")
         self.kiss.start()