usb: s3c-otg: Rename usb/s3c_udc.h to usb/dwc2_udc.h

The driver is actually for the Designware DWC2 controller.
This patch renames the global s3c_udc.h header to dwc2_udc.h.

The rename is done automatically:
	$ sed -i "s/s3c_udc\.h/dwc2_udc.h/g" \
		`git grep "s3c_udc\.h" | cut -d : -f 1`

Signed-off-by: Marek Vasut <marex@denx.de>
diff --git a/board/broadcom/bcm28155_ap/bcm28155_ap.c b/board/broadcom/bcm28155_ap/bcm28155_ap.c
index 09397fc..b3a4a41 100644
--- a/board/broadcom/bcm28155_ap/bcm28155_ap.c
+++ b/board/broadcom/bcm28155_ap/bcm28155_ap.c
@@ -13,7 +13,7 @@
 #include <asm/arch/sysmap.h>
 
 #include <usb.h>
-#include <usb/s3c_udc.h>
+#include <usb/dwc2_udc.h>
 #include <g_dnl.h>
 
 #define SECWATCHDOG_SDOGCR_OFFSET	0x00000000