ARM: dts: msm: specify thermistor bias supply in APQ8084 MTP and CDP

On APQ8084 with SMB1357 MTP and CDP, LVS2 supplies the battery
thermistor bias voltage. Specify that in the device tree nodes.

Change-Id: I9a4af7237878608223561d66bcc21d77ee0b9961
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>