defconfig: Enable SMB1398 combo charger driver for atoll

SMB1398 is a combo charger can be working in different modes to satisify
different battery charger solutions, Enable it for atoll.

Change-Id: I37f7148b9518f392de11613a0ffb02135749194b
Signed-off-by: Ashish Chavan <ashichav@codeaurora.org>