This patch reserves the OBD_CONNECT2 flag
for increasing XIDs.

Change-Id: Id825ce1c86a345884c9d4cd90cd2e13839a268f0
Cray-bug-id: LUS-6272
Signed-off-by: Andriy Skulysh <c17819@cray.com>
Reviewed-on: https://review.whamcloud.com/35113


Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: Jenkins
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Alexandr Boyko <c17825@cray.com>