Add charge_full property and let user update it. This is needed for
capacity reporting in the following patches.
Cc: Arthur Demchenkov <spinal.by@gmail.com> Cc: Carl Philipp Klemm <philipp@uvos.xyz> Cc: Merlijn Wajer <merlijn@wizzup.org> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Arthur Demchenkov <spinal.by@gmail.com>
[tony@atomide.com: updated comments] Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>