[CI] am57xx-evm: linux-4.4.y 2ac3a7a14573 Failure

Build URL: https://ci.linaro.org/job/openembedded-lkft-linux-stable-rc-4.4/DISTRO=lkft,... Full log: https://ci.linaro.org/job/openembedded-lkft-linux-stable-rc-4.4/DISTRO=lkft,... Parsed warnings/errors: https://ci.linaro.org/job/openembedded-lkft-linux-stable-rc-4.4/DISTRO=lkft,... Git branch: linux-4.4.y Git URL: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git Git commit: 2ac3a7a14573c18a118b9360c69bb7cfc8929ce9

Errors: ERROR: ExpansionError during parsing /srv/oe/build/conf/../../layers/meta-lkft/recipes-overlayed/kselftests/kselftests-next_git.bb