defconfig: 8916: Enable SMB135x charger

SMB1357 is a high current(3Amp) charger which improves
battery charging time.
Enable SMB135x driver for MSM8916 target.

CRs-Fixed: 703710
Change-Id: I20f498a0ecb5cfa42eb581c6410d0472f8daac72
Signed-off-by: Ashay Jaiswal <ashayj@codeaurora.org>