Merge remote-tracking branch 'kraxel/tags/pull-audio-20170504-1' into staging

audio: cleanups, bugfixes (memory leaks).

# gpg: Signature made Thu 04 May 2017 08:16:50 AM BST
# gpg:                using RSA key 0x4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* kraxel/tags/pull-audio-20170504-1: (30 commits)
  audio: Use ARRAY_SIZE from qemu/osdep.h
  audio: un-export OPLResetChip
  audio: Remove unused typedefs
  audio: UpdateHandler is not used anymore
  audio: IRQHandler is not used anymore
  audio: OPLSetUpdateHandler is not used anywhere
  audio: OPLSetIRQHandler is not used anywhere
  audio: GUSsample is int16_t
  audio: GUSword is uint16_t
  audio: GUSword is uint16_t
  audio: remove GUSchar
  audio: GUSbyte is uint8_t
  audio: Remove unused fields
  audio: Remove type field
  audio: Remove Unused OPL_TYPE_*
  audio: Unfold OPLSAMPLE
  audio: Remove INT32
  audio: remove INT16
  audio: Remove INT8
  audio: remove UINT32
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>