Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* build system fixes and cleanups
* use subproject() for the dtc and keycodemapdb submodules
* fix virtio memory leak
* update slirp.wrap to latest commit in the master branch

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# gpg: Signature made Fri 26 May 2023 03:36:23 AM PDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [undefined]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  configure: ignore --make
  meson: use subproject for keycodemapdb
  meson: use subproject for internal libfdt
  meson: simplify logic for -Dfdt
  virtio: qmp: fix memory leak
  slirp: update wrap to latest master
  meson: Add static glib dependency for initrd-stress.img
  meson: Remove leftover comment
  configure: unset harmful environment variables
  Makefile: remove $(TESTS_PYTHON)
  tests/vm: fix and simplify HOST_ARCH definition
  tests/docker: simplify HOST_ARCH definition

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