Merge tag 'pull-request-2022-07-05' of https://gitlab.com/thuth/qemu into staging

Merge tag 'pull-request-2022-07-05' of https://gitlab.com/thuth/qemu into staging

* Fix memory leak in test-cutils
* Fix edk2/opensbi jobs to not run automatically by accident
* Improve timings in the migration qtest
* Remove libvixl disassembler
* Add ukrainian translation
* Require a recent version of libpng

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# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [undefined]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [undefined]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [undefined]
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* tag 'pull-request-2022-07-05' of https://gitlab.com/thuth/qemu:
  include/qemu/host-utils: Remove unused code in the *_overflow wrappers
  meson.build: Require a recent version of libpng
  po: add ukrainian translation
  disas: Remove libvixl disassembler
  tests: use consistent bandwidth/downtime limits in migration tests
  tests: increase migration test converge downtime to 30 seconds
  tests: wait for migration completion before looking for STOP event
  tests: wait max 120 seconds for migration test status changes
  gitlab-ci: Extend timeout for ubuntu-20.04-s390x-all to 75m
  gitlab: honour QEMU_CI variable in edk2/opensbi jobs
  gitlab: tweak comments in edk2/opensbi jobs
  gitlab: normalize indentation in edk2/opensbi rules
  tests/fp: Do not build softfloat3 tests if TCG is disabled
  tests: fix test-cutils leaks

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>