Fix correction addon interface

This adds device and prefix parameters to correction addons constructor. It allows to avoid the additional injection of this parameters in base_correction outside the interface and get rig of additional initialization call after it.

@hammerd

src/calng/correction_addons/base_addon.py

@@ -15,9 +15,10 @@ class BaseCorrectionAddon:
         and add properties to it."""
         pass
 
-    def __init__(self, config):
+    def __init__(self, device, prefix, config):
         """Will be given the node from extend_device_schema, no prefix needed here"""
-        pass
+        self._device = device
+        self._prefix = prefix
 
     def post_correction(
         self, train_id, processed_data, cell_table, pulse_table, output_hash