examples: migrate to gRPC

Signed-off-by: Bastian Krause <bst@pengutronix.de>

Author: Bastian-Krause

examples/deditec-relais8/import-dedicontrol.yaml

@@ -6,4 +6,4 @@ targets:
     drivers:
       DeditecRelaisDriver: {}
 options:
-  crossbar_url: 'ws://labgrid:20408/ws'
+  coordinator_address: 'labgrid:20408'

examples/networkmanager/nm.env

@@ -6,4 +6,4 @@ targets:
     drivers:
       NetworkInterfaceDriver: {}
 options:
-  crossbar_url: 'ws://labgrid/ws'
+  coordinator_address: 'labgrid:20408'

examples/sysfsgpio/import-gpio.yaml

@@ -6,4 +6,4 @@ targets:
     drivers:
       GpioDigitalOutputDriver: {}
 options:
-  crossbar_url: 'ws://labgrid:20408/ws'
+  coordinator_address: 'labgrid:20408'

examples/usbpower/README.rst

@@ -40,8 +40,6 @@ on port 3.
 Software Setup
 --------------
 
-The following expects that labgrid is installed in the
-active virtualenv and crossbar is installed into a separate virtualenv.
 The ``uhubctl`` and ``usbsdmux`` tools need to be installed on the system.
 
 Library Example
@@ -116,9 +114,9 @@ Remote Setup
 ------------
 
 To access resources remotely, you first need to start the coordinator::
-  $ crossbar-venv/bin/crossbar start --logformat none --config config-anonymous.yaml
+  $ labgrid-coordinator
   [...]
-  Coordinator ready.
+  Coordinator ready
 
 Then, you need to start the exporter::
   $ labgrid-exporter exports.yaml