Merge remote-tracking branch 'remotes/legoater/tags/pull-ppc-20220302' into staging

Merge remote-tracking branch 'remotes/legoater/tags/pull-ppc-20220302' into staging

ppc-7.0 queue

* ppc/pnv fixes
* PMU EBB support
* target/ppc: PowerISA Vector/VSX instruction batch
* ppc/pnv: Extension of the powernv10 machine with XIVE2 ans PHB5 models
* spapr allocation cleanups

# gpg: Signature made Wed 02 Mar 2022 11:00:42 GMT
# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [undefined]
# 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: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* remotes/legoater/tags/pull-ppc-20220302: (87 commits)
  hw/ppc/spapr_vio.c: use g_autofree in spapr_dt_vdevice()
  hw/ppc/spapr_rtas.c: use g_autofree in rtas_ibm_get_system_parameter()
  spapr_pci_nvlink2.c: use g_autofree in spapr_phb_nvgpu_ram_populate_dt()
  hw/ppc/spapr_numa.c: simplify spapr_numa_write_assoc_lookup_arrays()
  hw/ppc/spapr_drc.c: use g_autofree in spapr_drc_by_index()
  hw/ppc/spapr_drc.c: use g_autofree in spapr_dr_connector_new()
  hw/ppc/spapr_drc.c: use g_autofree in drc_unrealize()
  hw/ppc/spapr_drc.c: use g_autofree in drc_realize()
  hw/ppc/spapr_drc.c: use g_auto in spapr_dt_drc()
  hw/ppc/spapr_caps.c: use g_autofree in spapr_caps_add_properties()
  hw/ppc/spapr_caps.c: use g_autofree in spapr_cap_get_string()
  hw/ppc/spapr_caps.c: use g_autofree in spapr_cap_set_string()
  hw/ppc/spapr.c: fail early if no firmware found in machine_init()
  hw/ppc/spapr.c: use g_autofree in spapr_dt_chosen()
  pnv/xive2: Add support for 8bits thread id
  pnv/xive2: Add support for automatic save&restore
  xive2: Add a get_config() handler for the router configuration
  pnv/xive2: Add support XIVE2 P9-compat mode (or Gen1)
  ppc/pnv: add XIVE Gen2 TIMA support
  pnv/xive2: Introduce new capability bits
  ...

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