Merge remote-tracking branch 'afaerber-or/qom-cpu-3' into staging

* afaerber-or/qom-cpu-3: (74 commits)
  Kill off cpu_state_reset()
  linux-user: Use cpu_reset() after cpu_init() / cpu_copy()
  bsd-user: Use cpu_reset() in after cpu_init()
  leon3: Store SPARCCPU in ResetData
  leon3: Use cpu_sparc_init() to obtain SPARCCPU
  sun4u: Store SPARCCPU in ResetData
  sun4u: Let cpu_devinit() return SPARCCPU
  sun4u: Use cpu_sparc_init() to obtain SPARCCPU
  sun4m: Pass SPARCCPU to {main,secondary}_cpu_reset()
  sun4m: Use cpu_sparc_init() to obtain SPARCCPU
  target-sparc: Let cpu_sparc_init() return SPARCCPU
  cpu-exec: Use cpu_reset() in cpu_exec() for TARGET_PPC
  virtex_ml507: Pass PowerPCCPU to main_cpu_reset()
  virtex_ml507: Let ppc440_init_xilinx() return PowerPCCPU
  virtex_ml507: Use cpu_ppc_init() to obtain PowerPCCPU
  ppc_prep: Pass PowerPCCPU to ppc_prep_reset()
  ppc_prep: Use cpu_ppc_init() to obtain PowerPCCPU
  ppc_oldworld: Pass PowerPCCPU to ppc_heathrow_reset()
  ppc_oldworld: Use cpu_ppc_init() to obtain PowerPCCPU
  ppc_newworld: Pass PowerPCCPU to ppc_core99_reset()
  ...