[charging] Align default charging hysteresis with settings. JB#58372
[charging] Align default charging hysteresis with settings. JB#58372

Settings UI prefers charging hysteresis to be 3 percentage units wide.

Align mce defaults to match this.

Signed-off-by: Simo Piiroinen <6d5e5360bed3d486f7d9fb26b0f737f7d4fd45ee@jolla.com>

spiiroin/mce,spiiroin/mce,spiiroin/mce,spiiroin/mce