ARM: OMAP1: USB: make omap_otg_init() static

Make omap_otg_init() static.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap1/include/mach/usb.h

@@ -10,8 +10,6 @@
 
 #include <linux/platform_data/usb-omap1.h>
 
-void omap_otg_init(struct omap_usb_config *config);
-
 #if IS_ENABLED(CONFIG_USB)
 void omap1_usb_init(struct omap_usb_config *pdata);
 #else

arch/arm/mach-omap1/usb.c

@@ -58,7 +58,7 @@
 
 #ifdef	CONFIG_ARCH_OMAP_OTG
 
-void __init
+static void __init
 omap_otg_init(struct omap_usb_config *config)
 {
 	u32		syscon;
@@ -166,7 +166,7 @@ omap_otg_init(struct omap_usb_config *config)
 }
 
 #else
-void omap_otg_init(struct omap_usb_config *config) {}
+static void omap_otg_init(struct omap_usb_config *config) {}
 #endif
 
 #if IS_ENABLED(CONFIG_USB_OMAP)