defconfig: 8916: Enable SMB358 charger

SMB358 is a high current(2Amp) charger which improves
battery charging time.
Enable SMB358 driver for MSM8916 target.

Change-Id: I8a817b4e74e9a14d80798624bb37c422e0167c4b
Signed-off-by: Zhenhua Huang <zhenhuah@codeaurora.org>