usb: dwc2: rename all s3c_* to dwc2_*

this driver has long ago became dwc2.ko with
both peripheral and host roles, there's no point
in keeping the old function names.

Acked-by: John Youn <johnyoun@synopsys.com>
Tested-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index 9093530..3d1f82d 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -130,7 +130,7 @@
 	if (hsotg->hcd_enabled)
 		dwc2_hcd_remove(hsotg);
 	if (hsotg->gadget_enabled)
-		s3c_hsotg_remove(hsotg);
+		dwc2_hsotg_remove(hsotg);
 
 	return 0;
 }
@@ -269,7 +269,7 @@
 		retval = dwc2_hcd_init(hsotg, irq);
 		if (retval) {
 			if (hsotg->gadget_enabled)
-				s3c_hsotg_remove(hsotg);
+				dwc2_hsotg_remove(hsotg);
 			return retval;
 		}
 		hsotg->hcd_enabled = 1;
@@ -288,7 +288,7 @@
 	int ret = 0;
 
 	if (dwc2_is_device_mode(dwc2)) {
-		ret = s3c_hsotg_suspend(dwc2);
+		ret = dwc2_hsotg_suspend(dwc2);
 	} else {
 		if (dwc2->lx_state == DWC2_L0)
 			return 0;
@@ -305,7 +305,7 @@
 	int ret = 0;
 
 	if (dwc2_is_device_mode(dwc2)) {
-		ret = s3c_hsotg_resume(dwc2);
+		ret = dwc2_hsotg_resume(dwc2);
 	} else {
 		phy_power_on(dwc2->phy);
 		phy_init(dwc2->phy);