Go back on the _read_paged_output() simplification a little

Need to track each line as it comes through, to be able to split() it.

Change-Id: I9475093bbb1e5bc7e2a3f50eef8e852d9928ef1b
diff --git a/drivers/CiscoCatalyst.py b/drivers/CiscoCatalyst.py
index 5b87523..cdea595 100644
--- a/drivers/CiscoCatalyst.py
+++ b/drivers/CiscoCatalyst.py
@@ -395,7 +395,10 @@
     def _read_long_output(self):
         prompt = self._prompt_name + '#'
         self.connection.expect(prompt)
-        return self.connection.before.split('\r\n')
+        buf = []
+        for line in self.connection.before.split('\r\n'):
+            buf.append(line.strip())
+        return buf
 
     def _get_port_names(self):
         logging.debug("Grabbing list of ports")