msm: camera: Add support for dynamic clock scaling

ISP clock rate is determined by camera sensor output
pixel clock. Add support to pass information from
userspace and update the clock rate for different
camera sensors.

Change-Id: I2a40fef3f36c6bb843ab2373e457070b4ee80164
Signed-off-by: Kevin Chan <ktchan@codeaurora.org>
5 files changed