usb: typec: ucsi: add PMIC Glink UCSI driver

Introduce the UCSI PMIC Glink aux driver that communicates
with the aDSP firmware with the UCSI protocol which handles
the USB-C Port(s) Power Delivery.

The UCSI messaging is necessary on newer Qualcomm SoCs to
provide USB role switch and altmode notifications.

Link: https://lore.kernel.org/r/20230130-topic-sm8450-upstream-pmic-glink-v1-1-0b0acfad301e@linaro.org


Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>