Feature request --charge-limit: allow setting the min level

[ttk592]

framework_tool --charge-limit can read min/max percentage battery charge limits but can only set the max level. Could you extend the interface to also allow setting the minimum level?

# framework_tool --charge-limit
Minimum 0%, Maximum 60%

# framework_tool --charge-limit 50        # this only sets the max limit
Minimum 0%, Maximum 50%

Since handle_charge_limit() already has functionality to set min/max limits, why not expose both?

fn handle_charge_limit(ec: &CrosEc, maybe_limit: Option<u8>) -> EcResult<()> {
    let (cur_min, _cur_max) = ec.get_charge_limit()?;
...
        ec.set_charge_limit(cur_min, limit)?;
}

Use case: a laptop mostly connected via mains, but disconnected over night, would micro-cycle every day for a few seconds to go from say 59% back to 60%, which is not good for longevity. With the min level set to greater 0, it would not initiate charging, unless the battery falls below the min threshold.