sunxi-hdmi: Don't warn twice on an invalid EDID checksum

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
sunxi-rfkill: Add support for usb-rfkill

Specifically add support for the usb_wifi_para section and esp. the
usb_wifi_gpio_power keyword. Without this the rtl8188ctv in the uhost-u1a
never gets power!

Signed-off-by: Hans de Goede <hdegoede@redhat.com>