usb: dwc3: gadget: use evt->length as we should

Instead of always accessing the macro directly,
let's rely on evt->length which is the actual length
of current event buffer. While unlikely, we could
change event buffer's size at any time.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felipe Balbi 2016-11-15 13:05:23 +02:00
commit caefe6c7be