linux-imx

MLK-20011-2 usb: chipidea: delete DP pullup for secondary charger detection

Since the DP pullup can be finished at glue layer, we can delete
it at common code, but we still need to keep DP pulldown operation
since the DP may have already pulled up before.

Reviewed-by: Jun Li <jun.li@nxp.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com>