msm: camera: sensor: Move YUV driver to userpsace

Move YUV driver to userspace to the architecture
similar to bayer sensors.
Delete the kernel drivers for YUV.
Remove the unused MAX_NAME_SIZE variable.

Change-Id: Id472d8d79931e448993e1d84ef4124d854dd967e
Signed-off-by: Rajesh Bondugula <rajeshb@codeaurora.org>