Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc, pci, tpm, virtio, vhost enhancements and fixes

A bunch of cleanups and fixes all over the place,
enhancements in TPM, virtio and vhost.

Signed-off-by: Michael S. Tsirkin <[email protected]>
# gpg: Signature made Mon Jun  1 13:19:48 2015 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <[email protected]>"
# gpg:                 aka "Michael S. Tsirkin <[email protected]>"

* remotes/mst/tags/for_upstream: (60 commits)
  vhost-user: add multi queue support
  virtio: make features 64bit wide
  qdev: add 64bit properties
  virtio-mmio: ioeventfd support
  hw/acpi/aml-build: Fix memory leak
  acpi: add aml_while() term
  acpi: add aml_increment() term
  acpi: add aml_shiftright() term
  acpi: add aml_shiftleft() term
  acpi: add aml_index() term
  acpi: add aml_lless() term
  acpi: add aml_add() term
  TPM2 ACPI table support
  tpm: Probe for connected TPM 1.2 or TPM 2
  Extend TPM TIS interface to support TPM 2
  Add stream ID to MSI write
  acpi: Simplify printing to dynamic string
  i386: drop FDC in pc-q35-2.4+ if neither it nor floppy drives are wanted
  i386/pc_q35: don't insist on board FDC if there's no default floppy
  i386/pc: '-drive if=floppy' should imply a board-default FDC
  ...

Signed-off-by: Peter Maydell <[email protected]>