Add pairing details for Hama TRV

Author: stephankn

_zigbee/Hama_00176592.md

@@ -13,4 +13,5 @@ link2: https://www.idealo.de/preisvergleich/OffersOfProduct/201561703_-starter-s
 compatible: [z2m, iob, zha, deconz, z4d]
 deconz: 6859
 z2m: SEA801-Zigbee/SEA802-Zigbee
+pairing: Rotate wheel button until display shows "OF". Press and hold button for 5 seconds. Display will show "--" when in pairing mode.
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