clk: qcom: camcc: Add camera clock controller driver for SC7280

Add support for the camera clock controller found on SC7280 based
devices.
This would allow camera drivers to probe and control their clocks.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1633567425-11953-2-git-send-email-tdas@codeaurora.org


[sboyd@kernel.org: Make some VCOs unsigned long]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>