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: I8791ffabef7fc498486ff5b5dda50f49377e8466
Reviewed-on: http://review.whamcloud.com/896
Tested-by: Hudson
Tested-by: Yu Jian <yujian@whamcloud.com>
Reviewed-by: Michael MacDonald <mjmac@whamcloud.com>
Reviewed-by: Yang Sheng <ys@whamcloud.com>
Reviewed-by: Johann Lombardi <johann@whamcloud.com>