linux-phytec-fsl

usb: gadget: phonet: move global dev variable to its user

cleanup patch only in preparation for configfs.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>