powerpc/85xx: Add dr_mode property in USB nodes

Add usb2 controller node for P1020RDB, P2020RDB, P2020DS, P1021MDS

Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
4 files changed