ARM: dts: msm: Update ADC support for msm8953

Add thermal_zones entries for adc_tm channels that register in
thermal framework, to prevent registration failure in
PM8953 in msm8953.

Change-Id: If4a265b4d25aa3e31c5247241ea0cbc60c81e43a
Signed-off-by: Prasad Malisetty <prasadm@codeaurora.org>