Merge remote-tracking branch 'remotes/ehabkost/tags/x86-next-pull-request' into staging

x86 queue, 2019-04-25

* Hygon Dhyana CPU model (Pu Wen)
* Categorize a few devices in hw/i386 (Ernest Esene)
* Support host-cache-info on TOPOEXT CPUID leaf (Stanislav Lanci)

# gpg: Signature made Thu 25 Apr 2019 19:12:25 BST
# gpg:                using RSA key 2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/x86-next-pull-request:
  Pass through cache information for TOPOEXT CPUs
  Categorize devices: iommu
  Categorize devices: IGD passthrough ISA bridge
  i386: Add new Hygon 'Dhyana' CPU model

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

diff --cc hw/i386/pc_piix.c
Simple merge