ARM: dts: msm: Update the clock_camcc node on SM6150

Update the CAMCC clock controller device node to register to
actual CAMCC driver. Also update the video GDSCs by replacing
the dummy nodes with actual GDSC device nodes.

Change-Id: Ib39616185e43a547d843c7f7e17c2aaf15046778
Signed-off-by: Odelu Kukatla <okukatla@codeaurora.org>