Merge tag 'pull-target-arm-20260505' of https://gitlab.com/pm215/qemu into staging

target-arm queue:
 * hw/arm/fsl-imx8mp: Do not create redundant unimplemented devices
 * hw/arm/fsl-imx8mp: Fix parent of ocram memory region
 * sysbus: Remove unused irq routing notifier method
 * linux-user/arm: Restrict regpairs_aligned
 * qemu-options: Improve description for -smb option
 * preliminary work for FEAT_RME_GDI
 * docs/devel/decodetree: Fix formatting in "field examples" table
 * hw/net/allwinner-sun8i-emac: Flush queued packets when rx is enabled
 * hw/intc/arm_gicv3: Fix NS write to ICC_AP1Rn_EL1 when prebits < 7
 * target/arm/kvm: Cache host CPU probe failure
 * hvf: support platform vGIC
 * hvf: support nested virtualization

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# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
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* tag 'pull-target-arm-20260505' of https://gitlab.com/pm215/qemu: (29 commits)
  hvf: arm: enable vGIC by default for virt-11.1 and later
  hvf: enable nested virtualisation support
  hvf: arm: physical timer emulation
  hvf: arm: disable SME when nested virt is active
  target/arm: hvf: pass through CNTHCTL_EL2 and MDCCINT_EL1
  hvf: sync registers used at EL2
  hvf: arm: override HV_SYS_REG_MDCR_EL2
  target/arm: hvf: add asserts for code paths not leveraged when using the vGIC
  hvf: arm: allow exposing minimal PMU for kernel-irqchip=on
  hvf: gate ARM_FEATURE_PMU register emulation when using the Apple vGIC
  hvf: only call hvf_sync_vtimer() when running without the platform vGIC
  hw/arm, target/arm: nested virtualisation on HVF
  target/arm: hvf: instantiate GIC early
  accel, hw/arm, include/system/hvf: infrastructure changes for HVF vGIC
  hw/intc: arm_gicv3_hvf: save/restore Apple GIC state
  hw/intc: Add hvf vGIC interrupt controller support
  target/arm/kvm: Cache host CPU probe failure
  hw/intc/arm_gicv3: Fix NS write to ICC_AP1Rn_EL1 when prebits < 7
  hw/net/allwinner-sun8i-emac: Flush queued packets when rx is enabled
  docs/devel/decodetree: Fix formatting in "field examples" table
  ...

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