Merge tag 'v1.2.0'

Merge tag 'v1.2.0'

Tag for 1.2.0

* tag 'v1.2.0':
  Update version for 1.2.0
  console: bounds check whenever changing the cursor due to an escape code
  qemu-timer: properly arm alarm timer for timers set by device initialization
  target-xtensa: return ENOSYS for unimplemented simcalls
  Update version to 1.2.0-rc3
  console: Fix warning from clang (and potential crash)
  uas: move transfer kickoff
  ehci: Fix interrupt endpoints no longer working
  ehci: handle TD deactivation of inflight packets
  ehci: add ehci_cancel_queue()
  ehci: simplify ehci_state_executing
  ehci: Remove unnecessary ehci_flush_qh call
  ehci: Schedule async-bh when IAAD bit gets set
  ehci: Fix NULL ptr deref when unplugging an USB dev with an iso stream active
  usb: unique packet ids
  usb: Halt ep queue en cancel pending packets on a packet error
  fix info qtree indention
  qemu-iotests: add backing file smaller than image test case
  stream: complete early if end of backing file is reached
  qed: refuse unaligned zero writes with a backing file

Signed-off-by: Avi Kivity <avi@redhat.com>