VFIO patches: realtek NIC quirk + SPAPR IOMMU AddressSpace support
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* remotes/awilliam/tags/vfio-pci-for-qemu-
20140602.0:
vfio: Add guest side IOMMU support
vfio: Create VFIOAddressSpace objects as needed
vfio: Introduce VFIO address spaces
vfio: Rework to have error paths
vfio: Fix 128 bit handling
int128: Add int128_exts64()
memory: Sanity check that no listeners remain on a destroyed AddressSpace
vfio-pci: Quirk RTL8168 NIC
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>