ARM: dts: msm: Add LED Flash source info in camera DT for kona

Adding LED Flash DT nodes to camera CDP and MTP device tree
with their respective flash, torch and switch source info.

Change-Id: I9f87f106dbe60566c6b840d8500bc598dfd4e2a4
Signed-off-by: Mukund Madhusudan Atre <matre@codeaurora.org>