Merge tag 'misc-next-pull-request' of https://gitlab.com/berrange/qemu into staging

Merge misc patches

 * Display deprecation warnings in -cpu help
 * Fix zerocopy IPv6 handling
 * Clarify platform support policy on minor release/backports
 * Fix closesocket call in error path

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# gpg:                using RSA key DAF3A6FDB26B62912D0E8E3FBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>" [full]
# gpg:                 aka "Daniel P. Berrange <berrange@redhat.com>" [full]

* tag 'misc-next-pull-request' of https://gitlab.com/berrange/qemu:
  util/qemu-sockets: Replace the call to close a socket with closesocket()
  target/arm: display deprecation status in '-cpu help'
  target/s390x: display deprecation status in '-cpu help'
  target/i386: display deprecation status in '-cpu help'
  QIOChannelSocket: Add support for MSG_ZEROCOPY + IPV6
  docs: build-platforms: Clarify stance on minor releases and backports

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