[CI] am57xx-evm: linux-5.5.y b487728d5e18 Failure

Build URL: https://ci.linaro.org/job/openembedded-lkft-linux-stable-rc-5.5/DISTRO=lkft,... Full log: https://ci.linaro.org/job/openembedded-lkft-linux-stable-rc-5.5/DISTRO=lkft,... Parsed warnings/errors: https://ci.linaro.org/job/openembedded-lkft-linux-stable-rc-5.5/DISTRO=lkft,... Git branch: linux-5.5.y Git URL: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git Git commit: b487728d5e18490b0e551a6518d0647ae641ca3a

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