LU-8707 build: fix lbuild-sles for kernel_module_package

LU-8707 build: fix lbuild-sles for kernel_module_package

kernel_module_package macro also checking for
/boot/symsets-$kver-$flavor.tag.gz
in case of lbuild, we need to point it to lbuild
kernel-source directory

Change-Id: I3cf9c1f43fe9ea543f67967773fc8715325a47e9
Signed-off-by: Minh Diep <minh.diep@intel.com>
Reviewed-on: http://review.whamcloud.com/23166
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>