usb: typec: tipd: Read data status in probe and cache its value

usb: typec: tipd: Read data status in probe and cache its value

Just like for power status we also need to keep track of data status to
be able to detect mode changes once we introduce de-bouncing for CD321x.
Read it during probe and keep a cached copy of its value.

Signed-off-by: Hector Martin <marcan@marcan.st>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Signed-off-by: Sven Peter <sven@kernel.org>
Link: https://lore.kernel.org/r/20250914-apple-usb3-tipd-v1-10-4e99c8649024@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>