override GetECConsoleLog to raise NotImplementedError

Right now "ectool console" is buggy. Do not call it right now.

BUG=chrome-os-partner:20475
TEST=manual

Change-Id: Iada3e28016edcb025958931c240b7abcd1a9b677
Reviewed-on: https://gerrit.chromium.org/gerrit/59894
Commit-Queue: Katie Roberts-Hoffman <katierh@chromium.org>
Reviewed-by: Katie Roberts-Hoffman <katierh@chromium.org>
Tested-by: Katie Roberts-Hoffman <katierh@chromium.org>
diff --git a/py/board/pit_board.py b/py/board/pit_board.py
index 445ffa9..b20290c 100644
--- a/py/board/pit_board.py
+++ b/py/board/pit_board.py
@@ -28,3 +28,6 @@
 
   def GetChargerCurrent(self):
     raise NotImplementedError
+
+  def GetECConsoleLog(self):
+    return NotImplementedError