ARM: dts: msm: Disable unsupported thermal features in fsm9900

Modify qcom,msm-thermal node to disable KTM features.
These features are not supported on the fsm9900 platform.

Change-Id: I240a8dbe0ee7ae37510b289a772b9ae90c562926
Acked-by: Jim Granitzki <jamesg@qti.qualcomm.com>
Signed-off-by: Gilad Avidov <gavidov@codeaurora.org>