This file is require for unfs boot and extracted as sysroot as well
Should be addressed by http://git.yoctoproject.org/cgit/cgit.cgi/poky/commit/?id=9adf01d7be1c2fedfb71975619af60e8af2fe3f2 and http://git.yoctoproject.org/cgit/cgit.cgi/poky/commit/?id=f7233d7612c01886233c4627547aec6eecd28256
verified against latest master (commit 981052592b9157ee54a9971d36de33ac72fc6626)