EM/BCU: Enabling BCU for CTP Plus Platform

EM/BCU: Enabling BCU for CTP Plus Platform

BZ: 35622

This patch is for implementing BCU driver to detect
voltage drop in the system and perform action
required for those interrupts. Configuration
files updated for all CTP platforms.

Change-Id: Ib2fa25f166190fcb3acac512ded46085eeca0bc0
Signed-off-by: Rapaka, Naveen <naveen.rapaka@intel.com>
Reviewed-on: http://android.intel.com:8080/49352
Reviewed-by: Pallala, Ramakrishna <ramakrishna.pallala@intel.com>
Reviewed-by: R, Durgadoss <durgadoss.r@intel.com>
Tested-by: Kallappa Manjanna, MadhukumarX <madhukumarx.kallappa.manjanna@intel.com>
Reviewed-by: Tardy, Pierre <pierre.tardy@intel.com>
Reviewed-by: Gross, Mark <mark.gross@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>