sun5i-usb: allow USB1.1 devices on OTG USB 2.0 port

This patch does same on sun5i as was done on sun4i, enable using USB1.1 on
OTG USB 2.0 port by setting .has_tt flag on.

Only compile tested.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Merge remote-tracking branch 'upstream/sunxi-3.0' into sunxi-3.0