drivers: thermal: qmi-cooling: Add snapshot of QMI cooling device driver

Add a snapshot of QMI cooling device driver from msm-4.9 as of 'commit
<Id89d5c79731fd> ("drivers: qmi-cooling: Add modem skin mitigation
device")'.

Change-Id: I2ef127085c0069a55b928dc122e436bcd2c45892
Signed-off-by: Ram Chandrasekar <rkumbako@codeaurora.org>