[PORT FROM R2]Battery: limit input current in case of vbus regulation interrupt

[PORT FROM R2]Battery: limit input current in case of vbus regulation interrupt

BZ: 18115

This patch limits the input current to 500mA in case vbus input
voltgae regulation interrupt.

Change-Id: I2020bb16a9f437c3050da67242ca11ff5f425a52
Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Reviewed-on: http://android.intel.com:8080/32755
Reviewed-by: Mendi, EduardoX <eduardox.mendi@intel.com>
Tested-by: Mendi, EduardoX <eduardox.mendi@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>