gst-plugin-cedar: import PoC gstreamer 0.10 plugin

GStreamer 0.10 plugin for Cedar H264 hardware encoding with no
binary blobs.

Based on PoC h264 encoder by Jens Kuske:
https://github.com/jemk/cedrus/tree/master/h264enc

Tested on OLinuXino A20 micro, kernel sunxi-3.4

Signed-off-by: Enrico Butera <ebutera@users.berlios.de>
avahi: remove recipe

Removing recipe append to configure avahi-daemon.
This does not belong in a machine layer,
but should be handled in a distro layer.
linux: enable CONFIG_SUNXI_EMAC for olinuxino-a20 NIC
README.md: added performance options (resolves #25)
linux: compile sunxi-emac into kernel for cubieboard

The network driver needs to be compiled into the kernel for booting from
network over NFS.
linux: compile sunxi-emac into kernel for cubieboard2

The network driver needs to be compiled into the kernel for booting from
network over NFS.
linux: compile sunxi-emac into kernel for cubietruck

The network driver needs to be compiled into the kernel for booting from
network over NFS.