- some configure updates (HAX/NetBSD, remove "wav", -Waddress-of-packed-member)
- remove deprecated options
- some trace and error cleanup
- typo fixes

# gpg: Signature made Thu 14 Feb 2019 10:46:50 GMT
# gpg:                using RSA key F30C38BD3F2FBE3C
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/trivial-branch-pull-request:
  configure: improve usbfs check
  hw/sparc64: Explicitly set default_display = "std"
  hw/dma/i8257: Use qemu_log_mask(UNIMP) instead of fprintf
  wavcapture: Convert to error_report
  kvm: Add kvm_set_ioeventfd* traces
  HMP: Prepend errors with 'Error:'
  pckbd: Convert DPRINTF->trace
  configure: Make -Waddress-of-packed-member warnings be errors
  configure: Add HAX support in NetBSD
  configure: fix qemu-img name
  configure: remove handling of "wav" audio driver
  qemu-options: Remove deprecated option -clock
  qemu-deprecated: Remove -virtioconsole and -no-frame for good
  qapi: Fix qcow2 encryption doc typo

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