MRP-1354 build: disable selinux requirements

disable ability to mount lustre target on selinux enabled support,
by disabling an selinux build requirements

Change-Id: I2ad73fac0727bcf4d5364739fbf98bc5c2822b8f
Signed-off-by: Alexey Lyashkov <alexey_lyashkov@xyratex.com>
Reviewed-on: http://morpheus.xyus.xyratex.com:8443/gerrit/678
Reviewed-by: Alexander Zarochentsev <alexander_zarochentsev@xyratex.com>
Tested-by: Jenkins
Tested-by: Alexander Lezhoev <Alexander_Lezhoev@xyratex.com>
Reviewed-by: Denis Kondratenko <Denis_Kondratenko@xyratex.com>