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

Fix for building with Xen 4.18

# -----BEGIN PGP SIGNATURE-----
#
# iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmV4M4AUHHBib256aW5p
# QHJlZGhhdC5jb20ACgkQv/vSX3jHroOPgwgAhRYBI8Q7FO4LWZTi+ubYXfS1ZEVC
# uy5eiyQNlymmAFFqutXLokvN1qsGhRlSeX5/uo5Tn6vWjkXPLlGikrecWHFSPmLS
# 0s+4NOOfrM6gMm5CCqMzjQuogr4+xxiw/g+rxhWGhNqlL1jVG1+I6AU5EobMNlDA
# gqd33OL509xkLVN6pCcmFwBInDHQl63YwOwVIR3cd2cfUW28M8DzGd9KULWJkZva
# I51COEwo0EpLNC2ile7pnA8+8F79WBMgUdrhBzl/a8RHv7AvxAPQB/0TsZQknFo0
# PS3Y+yXdn2CT3KInu+QeW3kHkVoAdK06/cSOqIbEKuKgnZjEz0qFHq4K3A==
# =SKW6
# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 12 Dec 2023 05:18:40 EST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# 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:
  xen: fix condition for skipping virtio-mmio defines
  meson, xen: fix condition for enabling the Xen accelerator

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

diff --cc meson.build
Simple merge