ARM: dts: msm: Add sensors SSC node for msmcobalt

To support Sensors on msmcobalt, Add sensors SSC
device tree node with status = "ok".

CRs-Fixed: 973711

Change-Id: I2a81ea6a5acc1043a6d28f718580d6a4eb1d39ea
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>