ARM: dts: msm: enable parallel charging for 8992 MTP

Add the device tree nodes in order to enable parallel charging. This
includes adding a device tree node for the SMB1357 chip that will be
used as the parallel charger and its associated i2c configuration.

Change-Id: I8068f2cd0df6cdcfde204b56ce9b445ff0b72ab3
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>