ARM: dts: msm: Fix ADC compilation error for atoll

Fix the ADC compilation error by adding the ADC header
file in the target specific file. While at it, remove
the polling delay for tof_therm to avoid the periodic
system wakeups.

Change-Id: I8c5020fe4412a63c27808dd0280d09ac8d003fd3
Signed-off-by: Jishnu Prakash <jprakash@codeaurora.org>