power: supply: hwmon: prepare for power supply extensions

power: supply: hwmon: prepare for power supply extensions

The upcoming extension API will add properties which are not part of the
the power_supply_desc.
Use power_supply_has_property() so the properties from extensions are
also checked.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20241111-power-supply-extensions-v4-4-7240144daa8e@weissschuh.net
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>