Add changes to update camera drivers to: 1. Update necessary Kconfig files to support camera driver compilation. 2. Support minor changes to V4L framework. 3. Export uapi headers to header_install export location. Signed-off-by: Seemanta Dutta <seemanta@codeaurora.org> Signed-off-by: Lakshmi Narayana Kalavala <lkalaval@codeaurora.org>