maintainer updates for 9.0 (docker, plugin tests, deprecation, elf, semihosting) A fairly random collection of fixes in this tree. I've still got a report of openbsd rebuilding which is confusing me but I didn't want to hold up getting eyes on real fixes. The plugins register support may get added to the PR if it gets any review. The following need review: Revert "hw/elf_ops: Ignore loadable segments with zero size" docs: mark CRIS support as deprecated Alex.