ARM: dts: msm: Override KTM hotplug sensors for msm8926

For msm8926, core 2- 3 tsens is mapped to tsens_tz_sensor1. Override
hotplug properties: qcom, cpu-sensors in msm8926 device tree accordingly
when KTM hotplug is enabled in msm8226 device tree.

Change-Id: I746254f4175e2498555c64a42285a5738fc2d823
Signed-off-by: Jennifer Liu <chihning@codeaurora.org>