kselftests: fix up run_kselftest.sh due to spurious lines
kselftests: fix up run_kselftest.sh due to spurious lines

run_kselftests.sh contains randomly spurious lines starting by "make[1]:".
The way the script is generated is most likely broken.
Until, we've got a proper fix, get rid of the lines after the generated
script is installed.

Signed-off-by: Fathi Boudra <7cd6e55cc07a66bc71d7901a4cddfe6c22aab659@linaro.org>
Signed-off-by: Denys Dmytriyenko <d29de71aea38aad3a87d486929cb0aad173ae612@ti.com>

rcn-ee/meta-ti,rcn-ee/meta-ti,rcn-ee/meta-ti,rcn-ee/meta-ti