Merge remote-tracking branch 'afaerber/prep-up' into staging

* afaerber/prep-up:
  prep: Use i82378 PCI->ISA bridge for 'prep' machine
  prep: Add i82378 PCI-to-ISA bridge emulation
  prep: Add i82374 DMA emulation
  MAINTAINERS: Add PCI host bridge files to PReP machine
  prep: qdev'ify Raven host bridge (SysBus)
  prep_pci: Update I/O to MemoryRegion ops
  prep_pci: Simplify I/O endianness
  prep: qdev'ify Raven host bridge (PCIDevice)
  prep: Use ISA m48t59
  prep: Fix offset of BIOS MemoryRegion

diff --cc MAINTAINERS
index 87237a6,148f0d2..73c0a10
--- 1/MAINTAINERS
--- 2/MAINTAINERS
+++ b/MAINTAINERS
@@@ -312,9 -305,9 +312,10 @@@ F: hw/grackle_pci.
  
  PReP
  M: Andreas Färber <andreas.faerber@web.de>
 +L: qemu-ppc@nongnu.org
  S: Odd Fixes
  F: hw/ppc_prep.c
+ F: hw/prep_pci.[hc]
  
  SH4 Machines
  ------------

diff --cc default-configs/ppc-softmmu.mak
Simple merge