usb: typec: ucsi: add Huawei Matebook E Go ucsi driver

The Huawei Matebook E Go tablet implements the UCSI interface in the
onboard EC. Add the glue driver to interface with the platform's UCSI
implementation.

This driver is inspired by the following drivers:
	drivers/usb/typec/ucsi/ucsi_yoga_c630.c
	drivers/usb/typec/ucsi/ucsi_glink.c
	drivers/soc/qcom/pmic_glink_altmode.c

Signed-off-by: Pengyu Luo <mitltlatltl@gmail.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20250316094357.462022-1-mitltlatltl@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>