usb: gadget: net2272: use generic map/umap routines

those routines have everything we need to map/unmap
USB requests and it's better to use them.

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2011-12-19 12:07:40 +02:00
commit af93f2c77a