virtio,acpi,pci: fixes, cleanups.

Fixes, cleanups in ACPI, PCI, virtio.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio,acpi,pci: fixes, cleanups.

Fixes, cleanups in ACPI, PCI, virtio.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Thu 25 Jun 2020 07:48:47 BST
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream:
  Rename use_acpi_pci_hotplug to more appropriate use_acpi_hotplug_bridge
  Stop vhost-user sending uninitialized mmap_offsets
  docs/specs/tpm: ACPI boot now supported for TPM/ARM
  arm/acpi: Add the TPM2.0 device under the DSDT
  acpi: Some build_tpm2() code reshape
  tests/acpi: update expected data files
  acpi: q35: drop _SB.PCI0.ISA.LPCD opregion.
  acpi: drop build_piix4_pm()
  acpi: drop serial/parallel enable bits from dsdt
  acpi: simplify build_isa_devices_aml()
  acpi: factor out fw_cfg_add_acpi_dsdt()
  acpi: move aml builder code for i8042 (kbd+mouse) device
  floppy: move cmos_get_fd_drive_type() from pc
  floppy: make isa_fdc_get_drive_max_chs static
  acpi: move aml builder code for floppy device
  acpi: bios-tables-test: show more context on asl diffs
  qtest: allow DSDT acpi table changes

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

docs/specs/tpm.rst

@@ -346,8 +346,6 @@ In case an Arm virt machine is emulated, use the following command line:
     -drive if=pflash,format=raw,file=flash0.img,readonly \
     -drive if=pflash,format=raw,file=flash1.img
 
-  On Arm, ACPI boot with TPM is not yet supported.
-
 In case SeaBIOS is used as firmware, it should show the TPM menu item
 after entering the menu with 'ESC'.