gfch100: add peer up/down to UI

Change-Id: I17621eaf9993f41b00509141e188ceaa7c20a06e
diff --git a/craftui/craftui.py b/craftui/craftui.py
index 957146d..5088c20 100755
--- a/craftui/craftui.py
+++ b/craftui/craftui.py
@@ -448,6 +448,7 @@
     data['refreshCount'] += 1
     data['uptime'] = self.ReadFile(sim + '/proc/uptime')
     data['ledstate'] = self.ReadFile(sim + '/tmp/gpio/ledstate')
+    data['peer_up'] = os.path.exists(sim + '/tmp/peer-up')
     cs = '/config/settings/'
     data['craft_ipaddr'] = self.ReadFile(sim + cs + 'craft_ipaddr')
     data['link_ipaddr'] = self.ReadFile(sim + cs + 'local_ipaddr')
diff --git a/craftui/www/index.thtml b/craftui/www/index.thtml
index 54a5ccb..3ca4237 100644
--- a/craftui/www/index.thtml
+++ b/craftui/www/index.thtml
@@ -39,6 +39,7 @@
       <input type="radio" id="tab-2" name="tab-group-1">
       <label for="tab-2">Network</label>
       <div class="content">
+        <b>Peer is up:</b><span class="values" id="platform/peer_up">...</span><br>
         <b>IP Addresses:</b>
 	<table>
 	  <tr>