ci_udc: force full-speed operation if not CONFIG_USB_GADGET_DUALSPEED

Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
mx6_r: undefine CONFIG_USB_GADGET_DUALSPEED to force full-speed operation

Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
boundary bootscripts: set mxc_hdmi.only_cea=0 if allow_noncea is set

Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
Merge branch 'staging' of github.com:boundarydevices/u-boot-imx6 into staging