power: smb1360: Add properties to change the hard JEITA via OTP

OTP backup registers are provided in SMB1360 be able to override the
hard JEITA threshold. Add device tree properties to do so.

CRs-Fixed: 846212
Change-Id: I42df4beae1d7145069ea4a202a4076e5ba6d96d9
Signed-off-by: Fenglin Wu <fenglinw@codeaurora.org>
Signed-off-by: Qiang Huang <qianghuang@codeaurora.org>