recipes-bsp: usbutils: Fix usb-devices command using busybox

Unknown find parameter -printf makes usb-devices script unusable with
busybox. Replace the parameter to fix this issue.

Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>