What:		/sys/devices/.../supplier:<supplier>
Date:		May 2020
Contact:	Saravana Kannan <saravanak@google.com>
Description:
		The /sys/devices/.../supplier:<supplier> are symlinks to device
		links where this device is the consumer. <supplier> denotes the
		name of the supplier in that device link and is of the form
		bus:device name. There can be zero or more of these symlinks
		for a given device.