Merge tag 'pull-ppc-20221017' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2022-10-18:

This queue contains improvements in the e500 and ppc4xx boards, changes
in the maintainership of the project, a new QMP/HMP command and bug
fixes:

- Cedric is stepping back from qemu-ppc maintainership;
- ppc4xx_sdram: QOMification and clean ups;
- e500: add new types of flash and clean ups;
- QMP/HMP: introduce dumpdtb command;
- spapr_pci, booke doorbell interrupt and xvcmp* bit fixes;

The 'dumpdtb' implementation is also making changes to RISC-V files that
were acked by Alistair Francis and are being included in this queue.

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# gpg: Signature made Mon 17 Oct 2022 15:16:34 EDT
# gpg:                using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
# gpg: Good signature from "Daniel Henrique Barboza <danielhb413@gmail.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 17EB FF99 23D0 1800 AF28  3819 3CD9 CA96 DE03 3164

* tag 'pull-ppc-20221017' of https://gitlab.com/danielhb/qemu: (38 commits)
  hw/riscv: set machine->fdt in spike_board_init()
  hw/riscv: set machine->fdt in sifive_u_machine_init()
  hw/ppc: set machine->fdt in spapr machine
  hw/ppc: set machine->fdt in pnv_reset()
  hw/ppc: set machine->fdt in pegasos2_machine_reset()
  hw/ppc: set machine->fdt in xilinx_load_device_tree()
  hw/ppc: set machine->fdt in sam460ex_load_device_tree()
  hw/ppc: set machine->fdt in bamboo_load_device_tree()
  hw/nios2: set machine->fdt in nios2_load_dtb()
  qmp/hmp, device_tree.c: introduce dumpdtb
  hw/ppc/spapr_pci.c: Use device_cold_reset() rather than device_legacy_reset()
  target/ppc: Fix xvcmp* clearing FI bit
  hw/ppc/e500: Remove if statement which is now always true
  hw/ppc/mpc8544ds: Add platform bus
  hw/ppc/mpc8544ds: Rename wrongly named method
  hw/ppc/e500: Reduce usage of sysbus API
  docs/system/ppc/ppce500: Add heading for networking chapter
  hw/gpio/meson: Introduce dedicated config switch for hw/gpio/mpc8xxx
  hw/ppc/meson: Allow e500 boards to be enabled separately
  ppc440_uc.c: Remove unneeded parenthesis
  ...

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

diff --cc MAINTAINERS
Simple merge