ffdc: Add banner_timeout parm to paramiko sshclient connect.

Add banner_timeout parm to paramiko sshclient connect request to handle
delays from some remote host ssh daemon.

Test:
- Regression tested to remote hosts with ssh daemon.

Signed-off-by: Peter D  Phan <peterp@us.ibm.com>
Change-Id: I39e1014afbd150b9734075d0a8d2a910775fd444
diff --git a/ffdc/lib/ssh_utility.py b/ffdc/lib/ssh_utility.py
index 1ca1b05..32fef63b 100644
--- a/ffdc/lib/ssh_utility.py
+++ b/ffdc/lib/ssh_utility.py
@@ -53,6 +53,8 @@
             self.sshclient.connect(hostname=self.hostname,
                                    username=self.username,
                                    password=self.password,
+                                   banner_timeout=120,
+                                   timeout=60,
                                    look_for_keys=False)
 
         except (BadHostKeyException, AuthenticationException,