python/trx: introduce and use Transceiver class

Change-Id: I6dc88edbb69a68746cc8e01206dc86f7ea2fa80f
diff --git a/python/trx/__init__.py b/python/trx/__init__.py
index 7b20699..00d370b 100644
--- a/python/trx/__init__.py
+++ b/python/trx/__init__.py
@@ -25,5 +25,6 @@
 from ctrl_if_bb import CTRLInterfaceBB
 from radio_if_grc import RadioInterfaceGRC
 from radio_if import RadioInterface
+from transceiver import Transceiver
 
 from dict_toggle_sign import dict_toggle_sign