1.Disable some pmic dt nodes/properties which are not required for kera.
2. update regulator voltage support for kera
as per latest HW recommendation.
3. Update i2c instance for kera for slave charger debug support.
Change-Id: Iebcf53837ff021db418fb2cbd16f1fb1ba494304
Signed-off-by: Kavya Nunna <quic_knunna@quicinc.com>