pca9468_charger: load ta_max_vol from device-tree

add interface to load ta_max_vol from dt.

Bug: 256787675
Bug: 224705785
Change-Id: Ib0387e2467979deb0cb645068e032e20c88ca2fb
Signed-off-by: Wasb Liu <[email protected]>
(cherry picked from commit 885eabeb5c460e2f617ca2f8e885dfda3fc700f5)
2 files changed