Merge tag 'pull-for-8.0-040423-2' of https://gitlab.com/stsquad/qemu into staging

Final test and misc fixes:

  - add basic coverage analysis script
  - gdbstub only build one of libgdb_user/softmmu
  - don't break BSD gdb by advertising AUXV feature
  - add MAINTAINERS section for policy docs
  - update hexagon toolchain
  - explicitly invoke iotests with python for BSDs benefit
  - use system python on NetBSD
  - add some tests for the new KVM Xen guest support

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* tag 'pull-for-8.0-040423-2' of https://gitlab.com/stsquad/qemu:
  tests/avocado: Test Xen guest support under KVM
  gitlab: fix typo
  tests/vm: use the default system python for NetBSD
  tests/qemu-iotests: explicitly invoke 'check' via 'python'
  Use hexagon toolchain version 16.0.0
  metadata: add .git-blame-ignore-revs
  MAINTAINERS: add a section for policy documents
  gdbstub: don't report auxv feature unless on Linux
  gdbstub: Only build libgdb_user.fa / libgdb_softmmu.fa if necessary
  scripts/coverage: initial coverage comparison script

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>