twinkie: number properly the USB interfaces

In USB-PD Sink mode, the 'Commands' interface has bInterfaceNumber == 2
while the configuration defines bNumInterfaces as 2, this is likely
invalid for USB.
Change the Commands interface number in Sink mode.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BRANCH=twinkie
BUG=none
TEST=lsusb

Change-Id: Id63120f11ba541a82dadb79703dcfaa5f1e8a0f4
Reviewed-on: https://chromium-review.googlesource.com/790393
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
1 file changed