Add .calibrate support for 8974 family as part of tsens_ops.

Based on the original code by Siddartha Mohanadoss and Stephen Boyd.
Signed-off-by: NRajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: NEduardo Valentin <edubezval@gmail.com>
Signed-off-by: NZhang Rui <rui.zhang@intel.com>