usb: phy: mxs: don't need IP fix for imx6sx

The RLT code has already done it, so no software operation is needed.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c
index 58cae78..fcadbd2 100644
--- a/drivers/usb/phy/phy-mxs-usb.c
+++ b/drivers/usb/phy/phy-mxs-usb.c
@@ -131,8 +131,7 @@
 };
 
 static const struct mxs_phy_data imx6sx_phy_data = {
-	.flags = MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS |
-		MXS_PHY_NEED_IP_FIX,
+	.flags = MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS,
 };
 
 static const struct of_device_id mxs_phy_dt_ids[] = {