LU-4423 obdecho: bitwise vs logical typo

Bitwise AND was intended here obviously.

From upstream kernel commit 96d4b0d5636b1810042eabedf766f35b548f1672

Change-Id: I5f05d14843910c2288c14c55e62615f030a7f445
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Oleg Drokin <oleg.drokin@intel.com>
Reviewed-on: http://review.whamcloud.com/11410
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>