update Freescale bt656 patch
Enhance dual display support for BT656 output.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
mxc: output: always use IC

Disable an optimization that disables the Image Converter (IC) if it
thinks its not needed. This resolves invalid output when input resolution
is the same as the output resolution.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>