linux-phytec-ti

ARM: dts: am57xx-idk: Enable dual-role mode for USB2

USB port is micro-AB type and can function as peripheral
as well as host. Enable dual-role mode for USB2.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>