mqtt: added descriptor for old tasmota setup.

Previously I used to rename tasmota plugs to "plugXX". We now use the device
id out of the box.

devices/mqtt/0BUILD

@@ -3,6 +3,7 @@
 <gwbuild>
   <data dist="true" install="$(datadir)/aqhome/devices/mqtt">
     tasmota_plug.xml
+    tasmota_plug_old.xml
   </data>
 
 </gwbuild>

devices/mqtt/tasmota_plug_old.xml

@@ -0,0 +1,41 @@
+
+
+<device name="tasmotaplugold" driver="mqtt">
+
+  <mqtttopics>
+    <mqtttopic type="json" name="sensor" direction="in" >
+      <mask>tele/tasmota/*/SENSOR</mask>
+      <beforeId>tele/tasmota/</beforeId>
+      <afterId>/SENSOR</afterId>
+      
+      <values>
+        <value name="powerusage"     type="sensor" path="ENERGY/POWER"         units="W" />
+        <value name="totalenergy"    type="sensor" path="ENERGY/TOTAL"         units="kWh" />
+        <value name="apparentpower"  type="sensor" path="ENERGY/ApparentPower" units="VA" />
+        <value name="reactivepower"  type="sensor" path="ENERGY/ReactivePower" units="VAr" />
+        <value name="powerfactor"    type="sensor" path="ENERGY/Factor" />
+        <value name="voltage"        type="sensor" path="ENERGY/Voltage"       units="V" />
+        <value name="current"        type="sensor" path="ENERGY/Current"       units="A" />
+      </values>
+
+    </mqtttopic>
+
+    <mqtttopic type="num" name="power" direction="out" >
+      <beforeId>cmnd/tasmota_</beforeId>
+      <afterId>/Power</afterId>
+
+      <values>
+        <value name="power"  type="actor">
+          <translations>
+            <translation aqhValue="0.0" driverValue="off"/>
+            <translation aqhValue="1.0" driverValue="on"/>
+          </translations>
+        </value>
+      </values>
+
+    </mqtttopic>
+
+  </mqtttopics>
+
+</device>
+