Merge tag 'q800-for-8.2-pull-request' of https://github.com/vivier/qemu-m68k into...

Merge tag 'q800-for-8.2-pull-request' of https://github.com/vivier/qemu-m68k into staging

Pull request q800 20231008

add support for booting:
  - MacOS 7.1 - 8.1, with or without virtual memory enabled
  - A/UX 3.0.1
  - NetBSD 9.3
  - Linux (via EMILE)

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# gpg: Signature made Sun 08 Oct 2023 02:22:42 EDT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* tag 'q800-for-8.2-pull-request' of https://github.com/vivier/qemu-m68k:
  mac_via: extend timer calibration hack to work with A/UX
  q800: add alias for MacOS toolbox ROM at 0x40000000
  q800: add ESCC alias at 0xc000
  mac_via: always clear ADB interrupt when switching to A/UX mode
  mac_via: implement ADB_STATE_IDLE state if shift register in input mode
  mac_via: workaround NetBSD ADB bus enumeration issue
  mac_via: work around underflow in TimeDBRA timing loop in SETUPTIMEK
  swim: update IWM/ISM register block decoding
  swim: split into separate IWM and ISM register blocks
  swim: add trace events for IWM and ISM registers
  q800: add easc bool machine class property to switch between ASC and EASC
  q800: add Apple Sound Chip (ASC) audio to machine
  asc: generate silence if FIFO empty but engine still running
  audio: add Apple Sound Chip (ASC) emulation
  q800: allow accesses to RAM area even if less memory is available
  q800: add IOSB subsystem
  q800: implement additional machine id bits on VIA1 port A
  q800: add machine id register
  q800: add djMEMC memory controller
  q800-glue.c: convert to Resettable interface

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