mh2lm: Add device specific thermal-engine config

 * It fixes:
   - I ThermalEngine: Loading configuration file /vendor/etc/thermal-engine-8150.conf
   - E ThermalEngine: Unable to open config file '/vendor/etc/thermal-engine-8150.conf'

Change-Id: Ibe149e56641bc5f49d3a02e2c264ddbb37f0a0bc
Signed-off-by: jmpfbmx <jmpf.bmx@gmail.com>