ARM: dts: msm: disable thermal node for initial bring up

Initial 8x09 som bring up, we are disabling thermal node,
once complete test and review done we will integrate again.

Change-Id: Id1ac7f9e715035697d3b04055bc0ac1ea8b592b0
Signed-off-by: Madhukar Sandi <msandi@codeaurora.org>