arm/dt: msm8610: Add core control support for msm_thermal

Specify core control limits (temperature, hysterisis and the allowed
cpus) to handle thermal conditions at boot and offline the cores when
thermal limits are crossed.

Change-Id: I43e3d6a5ff2e79296bc8b55742d5e2186d993a51
Signed-off-by: Jennifer Liu <chihning@codeaurora.org>