defconfig: 8909: Enable SMB358 charger

SMB358 is a high current(2Amp) charger which improves
battery charging time.
Enable SMB358 driver for MSM8909 target.

Change-Id: I8d650a19af1e72d3bf11c5b283fb9b52e7d98a7a
CRs-Fixed: 769698
Signed-off-by: Zhenhua Huang <zhenhuah@codeaurora.org>