templates/kselftest: thin defconfigs
templates/kselftest: thin defconfigs

Only generate kselftest jobs for kernels that have been built with all
the kselftest defconfig options.

Signed-off-by: Kevin Hilman <f9849b02abe18c1ece6bd40346458ed53f49d31b@baylibre.com>

kernelci/lava-ci-staging,kernelci/lava-ci-staging,kernelci/lava-ci-staging