ARM: S3C: Rename s3c_device_usb to s3c_device_ohci

Prepare for the forthcoming device changes by renaming s3c_device_usb to
s3c_device_ohci as this is what the device represents.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/mach-s3c2410/mach-qt2410.c b/arch/arm/mach-s3c2410/mach-qt2410.c
index ab092bc..92a4ec3 100644
--- a/arch/arm/mach-s3c2410/mach-qt2410.c
+++ b/arch/arm/mach-s3c2410/mach-qt2410.c
@@ -246,7 +246,7 @@
 /* Board devices */
 
 static struct platform_device *qt2410_devices[] __initdata = {
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_lcd,
 	&s3c_device_wdt,
 	&s3c_device_i2c0,