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-s3c2442/mach-gta02.c b/arch/arm/mach-s3c2442/mach-gta02.c
index 0b4a3a0..825800b 100644
--- a/arch/arm/mach-s3c2442/mach-gta02.c
+++ b/arch/arm/mach-s3c2442/mach-gta02.c
@@ -565,7 +565,7 @@
 /* These are the guys that don't need to be children of PMU. */
 
 static struct platform_device *gta02_devices[] __initdata = {
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_wdt,
 	&s3c_device_sdi,
 	&s3c_device_usbgadget,
@@ -623,7 +623,7 @@
 	INIT_DELAYED_WORK(&gta02_charger_work, gta02_charger_worker);
 #endif
 
-	s3c_device_usb.dev.platform_data = &gta02_usb_info;
+	s3c_device_ohci.dev.platform_data = &gta02_usb_info;
 
 	s3c24xx_udc_set_platdata(&gta02_udc_cfg);
 	s3c_nand_set_platdata(&gta02_nand_info);