Otherwise any patches that need to be applied onto the out-of-tree code in the patch archive will fail to apply as the files won't exist yet. This works because delaying default_prepare also delays abuild's automatic patch application. Signed-off-by: Stefan Hansson <newbyte@postmarketos.org> Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/9027>