1.40.0 release New features: - tuxmake: accept Kbuild targets as positional arguments - tuxmake: accept kconfig targets as positional arguments Bug fixes: - kselftest: pass KDIR to enable out-of-tree module builds - kselftest: allow partial build failures - target: accept any CONFIG_*=<value> inline fragment - kselftest: report WARNING status on nonfatal failures - kselftest: use make -i for the install step - docs: update --kconfig-add help text, remove kselftest-merge target Container images: - arch: unify sh, sh2 and sh4 into a single sh architecture - Update korg-clang-22 to 22.1.4