ARM: dts: msm: Add SW JEITA and step charging config for alium battery

Specify the SW JEITA and step charging for alium battery that is
used on some SM8150 platforms as per the battery specification.

This still needs to be characterized after testing in hardware
platforms with different chargers.

Change-Id: I4fe93377d05f32cf96f96dcb1aafd57f3dab0960
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
Signed-off-by: Guru Das Srinagesh <gurus@codeaurora.org>