usb: dwc3: gadget: move dwc3_calc_trbs_left() in place of prototype

Avoid a prototype when the function can be defined earlier. No
functional changes, cleanup only.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felipe Balbi 2018-04-09 13:01:43 +03:00
commit 42626919ef