ARM:dts:msm:8974 update generic cam entries

Update generic camera DT entires and
remove kernel sensor drivers and sensor
dt macro entries for imx135 s5k3l1yx and
OV2720 sensors on MSM8974 platform for
cdp liquid mtp targets These entries are
now redundant as the sensor identification
and powerup will be taken care by userspace
sensor drivers.

Change-Id: I6dfbfa5f0ecf090e87c13b51de9b4506a3a10b36
Signed-off-by: Shivaramraje Nimbalkar Joshi <nimbalkars@codeaurora.org>