dts: arm64: add thermal sensor node for Hi3660

This patch is to add thermal sensor node in DT; also add thermal zone to
bind thermal sensor with CPU cooling device, for supporting thermal IPA
governor this patch adds 'sustainable-power', 'dynamic coefficient'
and 'weight' parameters.

Change-Id: I035d1555fb4bd42a6b06c91cb2e57475ffde8273
Signed-off-by: Tao Wang <jean.wangtao@linaro.org>
Signed-off-by: Leo Yan <leo.yan@linaro.org>