ARM: dts: msm: Modify step charging thresholds for alium battery

As per the hardware recommendation, update the step charging
thresholds based on OCV for alium battery that is used on SM8150
and SM6150 platforms.

Change-Id: Iaf56b2644fd05ac08f233cffd82429d4e7bceeb3
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>