vga: add edid support, qxl bugfixes.
# gpg: Signature made Thu 27 Sep 2018 08:12:32 BST
# gpg: using RSA key
4CB6D8EED3E87138
# 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
* remotes/kraxel/tags/vga-
20180927-pull-request:
qxl: support mono cursors with inverted colors
qxl: use guest_monitor_config for local renderer.
display/stdvga: add edid support.
display/edid: add DEFINE_EDID_PROPERTIES
display/edid: add region helper.
display/edid: add qemu_edid_size()
display/edid: add edid generator to qemu.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>