Merge tag 'm68k-pull-2023-11-02' of https://gitlab.com/huth/qemu into staging

* Avoid qemu_get_cpu() and first_cpu, and use properties instead
* Mirror next-cube bios to address 0
* Instantiate ESP SCSI controller in the next-cube machine
* Fix URL in the next-cube avocado test

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# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* tag 'm68k-pull-2023-11-02' of https://gitlab.com/huth/qemu:
  tests/avocado/machine_m68k_nextcube: Fix the download URL for the ROM image
  m68k: Instantiate the ESP SCSI controller for the NeXTcube machine
  hw/m68k/next-cube: Mirror BIOS to address 0
  hw/char/mcf_uart: Have mcf_uart_create() return DeviceState
  hw/m68k/virt: Do not open-code sysbus_create_simple()
  hw/m68k/next-cube: Do not open-code sysbus_create_simple()
  hw/m68k/mcf_intc: Pass CPU using QOM link property
  hw/m68k/mcf_intc: Expose MMIO region via SysBus API
  hw/m68k/mcf5206: Pass CPU using QOM link property
  hw/m68k/irqc: Pass CPU using QOM link property

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