Add USB sys file-system support (v8) (TJ)
This patch adds support for host USB devices discovered via:
/sys/bus/usb/devices/* and opened from /dev/bus/usb/*/*
/dev/bus/usb/devices and opened from /dev/bus/usb/*/*
in addition to the existing discovery via:
/proc/bus/usb/devices and opened from /proc/bus/usb/*/*
Signed-off-by: TJ <linux@tjworld.net>
Signed-off-by: Anthony Liguori <aliguori>
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