gpu: ipu-v3: csi: add support for 8 bpp grayscale sensors.
gpu: ipu-v3: csi: add support for 8 bpp grayscale sensors.

Enable the MEDIA_BUS_FMT_Y8_1X8 format.

Signed-off-by: Philippe De Muyter <f1d5d9ae7ed80900d12a7e800195edd90db9f6f7@macqel.be>
Signed-off-by: Philipp Zabel <db7328bbf81a38b011e8d0f5302fd54c788d0608@pengutronix.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs