nyan_blaze: Enable USB port2

There is a hub in USB port2 downstream.

BUG=chrome-os-partner:28964
BRANCH=None
TEST=emerge-nyan_blaze coreboot depthcharge chromeos-bootimage and verify usb
	port2 is workable

Change-Id: Iff291b321b608741b120c0349cb0f6638d27f97e
Signed-off-by: Neil Chen <neilc@nvidia.com>
Reviewed-on: https://chromium-review.googlesource.com/200430
Reviewed-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
1 file changed