Add power_profile.xml

Based on power_profile.xml for HTC Sensation and available datasheets

Change-Id: I2582e710a706331e5426162d77f4232f129cda4e
Merge commit 'refs/changes/65/31765/2' of http://review.cyanogenmod.org/CyanogenMod/android_device_hp_tenderloin into jellybean