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

X86 queue, 2016-06-14 (v2)

# gpg: Signature made Tue 14 Jun 2016 22:29:04 BST
# gpg:                using RSA key 0x2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/x86-pull-request:
  target-i386: Consolidate calls of object_property_parse() in x86_cpu_parse_featurestr
  target-i386: Use cpu_generic_init() in cpu_x86_init()
  target-i386: Move xcc->kvm_required check to realize time
  target-i386: Remove assert(kvm_enabled()) from host_x86_cpu_initfn()
  target-i386: Move features logic that requires CPUState to realize time
  target-i386: Remove xlevel & hv-spinlocks option fixups
  target-i386: Implement CPUID[0xB] (Extended Topology Enumeration)
  pc: Add 2.7 machine
  target-i386: add Skylake-Client cpu model

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