FROMGIT: usb: gadget: uvc: add trace of enqueued and completed requests

This patch is adding trace events for each request that is being
enqueued into the hw and will be completed. This way it is possible
to track the fill status of the gadget hardware and find potential
issues.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20240403-uvc_request_length_by_interval-v7-8-e224bb1035f0@pengutronix.de


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 379236348
(cherry picked from commit 757f5d0b https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git/

 usb-next)
Change-Id: I1c3c188b2e554e54e61a97b85093ec9757217c6d
Signed-off-by: Selvarasu Ganesan <selvarasu.g@samsung.com>