power: supply: cros_pchg: Sync port status on resume

When a stylus is removed (or attached) during suspend, the device detach
(or attach) events can be lost. This patch makes the peripheral device
charge driver retrieve the latest status from the EC on resume.

BUG=b:276414488
TEST=Redrix

Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>