Merge tag 'pull-maintainer-ominbus-300823-1' of https://gitlab.com/stsquad/qemu into staging

testing and gdbstub updates:

  - enable ccache for gitlab builds
  - fix various test info leakages for non V=1
  - update style to allow loop vars
  - bump FreeBSD to v13.2
  - clean-up gdbstub tests
  - various gdbstub doc and refactorings

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* tag 'pull-maintainer-ominbus-300823-1' of https://gitlab.com/stsquad/qemu

:
  gdbstub: move comment for gdb_register_coprocessor
  gdbstub: replace global gdb_has_xml with a function
  gdbstub: refactor get_feature_xml
  gdbstub: remove unused user_ctx field
  gdbstub: fixes cases where wrong threads were reported to GDB on SIGINT
  tests/tcg: clean-up gdb confirm/pagination settings
  tests: remove test-gdbstub.py
  .gitlab-ci.d/cirrus.yml: Update FreeBSD to v13.2
  docs/style: permit inline loop variables
  tests/tcg: remove quoting for info output
  tests/docker: cleanup non-verbose output
  gitlab: enable ccache for many build jobs

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>