Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) What:		/sys/bus/platform/devices/ci_hdrc.0/role
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) Date:		Mar 2017
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) Contact:	Peter Chen <peter.chen@nxp.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) 		It returns string "gadget" or "host" when read it, it indicates
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) 		current controller role.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) 		It will do role switch when write "gadget" or "host" to it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) 		Only controller at dual-role configuration supports writing.