LU-388 modify kernel-ib spec file for openib RPM

LU-388 modify kernel-ib spec file for openib RPM

The kernel-ib RPM from OFED 1.5.3.1 conflicts with RHEL5's
openib package.  Consider RHEL5's userspace as canonical and
Remove the conflicting portions from the kernel-ib RPM.

Signed-off-by: Brian J. Murrell <brian@whamcloud.com>
Change-Id: I9f6a768bc5ac30fdab589c1bdbc3154fa31c1405
Reviewed-on: http://review.whamcloud.com/981
Reviewed-by: Yang Sheng <ys@whamcloud.com>
Reviewed-by: Michael MacDonald <mjmac@whamcloud.com>
Tested-by: Hudson
Reviewed-by: Oleg Drokin <green@whamcloud.com>