[CI] am57xx-evm: linux-4.4.y af13f43f01a3 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: af13f43f01a3e4a11686f5fa4de42ecec8ed71b1

Errors: ERROR: perf-4.2-r9 do_populate_lic: QA Issue: perf: LIC_FILES_CHKSUM points to an invalid file: /srv/oe/build/tmp-lkft-glibc/work/am57xx_evm-linaro-linux-gnueabi/perf/4.2-r9/linux-tools-4.2/COPYING [license-checksum]