Merge tag 'hw-misc-20240312' of https://github.com/philmd/qemu into staging

Merge tag 'hw-misc-20240312' of https://github.com/philmd/qemu into staging

Misc HW patch queue

- Rename hw/ide/ahci-internal.h for consistency (Zoltan)
- More convenient PCI hotplug trace events (Vladimir)
- Short CLI option to add drives for sam460ex machine (Zoltan)
- More missing ERRP_GUARD() macros (Zhao)
- Avoid faulting when unmapped I/O BAR is accessed on SPARC EBUS (Mark)
- Remove unused includes in hw/core/ (Zhao)
- New PCF8574 GPIO over I2C model (Dmitriy)
- Require ObjC on Darwin macOS by default (Peter)
- Corrected "-smp parameter=1" placement in docs/ (Zhao)

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* tag 'hw-misc-20240312' of https://github.com/philmd/qemu:
  docs/about/deprecated.rst: Move SMP configurations item to system emulator section
  meson.build: Always require an objc compiler on macos hosts
  hw/gpio: introduce pcf8574 driver
  hw/core: Cleanup unused included headers in numa.c
  hw/core: Cleanup unused included header in machine-qmp-cmds.c
  hw/core: Cleanup unused included headers in cpu-common.c
  sun4u: remap ebus BAR0 to use unassigned_io_ops instead of alias to PCI IO space
  hw/misc/ivshmem: Fix missing ERRP_GUARD() for error_prepend()
  hw/core/qdev-properties-system: Fix missing ERRP_GUARD() for error_prepend()
  hw/core/loader-fit: Fix missing ERRP_GUARD() for error_prepend()
  hw/ppc/sam460ex: Support short options for adding drives
  hw/pci: add some convenient trace-events for pcie and shpc hotplug
  hw/ide/ahci: Rename ahci_internal.h to ahci-internal.h

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>