Add IAD to bind the two interfaces of ECM so that it works properly
in composite gadget mode.
Signed-off-by: NThirupathi <thirupathi.chippakurthy@stericsson.com>
Signed-off-by: NPraveena Nadahally <praveen.nadahally@stericsson.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NFelipe Balbi <balbi@ti.com>