[PORT FROM R2]max17042: enable fuel gauge interrupts for Vmin and 0%

[PORT FROM R2]max17042: enable fuel gauge interrupts for Vmin and 0%

BZ: 20429

This patch enables FG interrupts, cleans up the existing
set_soc_intr_thresholds function and sets the voltage, SoC and
temperature thresholds to default values. Also adds the wake
capability for Low Battery condition.

Change-Id: I024b9852210419e2d1a0105680ac5365afe624b5
Orig-Change-Id: I6b60375fdf3ebb4f045d23b03c1f7c6f8ec4bd23
Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Reviewed-on: http://android.intel.com:8080/33508
Reviewed-by: Gugwad, SantoshX <santoshx.gugwad@intel.com>
Tested-by: Gugwad, SantoshX <santoshx.gugwad@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>