Merge tag 'char-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

chardev related patches

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# gpg: Signature made Thu 29 Sep 2022 07:01:06 EDT
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* tag 'char-pull-request' of https://gitlab.com/marcandre.lureau/qemu

:
  vhost-user: Call qemu_socketpair() instead of socketpair()
  oslib-posix: Introduce qemu_socketpair()
  chardev: fix segfault in finalize
  serial: Allow unaligned i/o access
  msmouse: Add pnp data
  msmouse: Use fifo8 instead of array
  chardev: src buffer const for write functions
  msmouse: Handle mouse reset

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