setup.py: add missing packages for pySim-trace.py

pySim-trace.py is broken if pySim is installed using setup.py:

  fixeria@DELL:~$ pySim-trace.py
  Traceback (most recent call last):
    File "/usr/bin/pySim-trace.py", line 8, in <module>
      from pySim.apdu import *
  ModuleNotFoundError: No module named 'pySim.apdu'

Change-Id: I371143cb4009db46275ec7a020497b909dcc3b4e
diff --git a/setup.py b/setup.py
index 930ba15..4b39c63 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 setup(
     name='pySim',
     version='1.0',
-    packages=['pySim', 'pySim.transport'],
+    packages=['pySim', 'pySim.transport', 'pySim.apdu', 'pySim.apdu_source'],
     url='https://osmocom.org/projects/pysim/wiki',
     license='GPLv2',
     author_email='simtrace@lists.osmocom.org',