Fix compile for n770 and omap2 boards

Remove now obsolete TAG_USB and make omap_usb_init() available
for omap2 boards using it like H4 and Apollon.
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap1/board-nokia770.c

@@ -35,6 +35,7 @@
 #include <mach/omapfb.h>
 #include <mach/lcd_mipid.h>
 #include <mach/mmc.h>
+#include <mach/usb.h>
 
 #define ADS7846_PENDOWN_GPIO	15
 
@@ -233,10 +234,6 @@ static inline void nokia770_mmc_init(void)
 }
 #endif
 
-static struct omap_board_config_kernel nokia770_config[] __initdata = {
-	{ OMAP_TAG_USB,		NULL },
-};
-
 #if	defined(CONFIG_OMAP_DSP)
 /*
  * audio power control
@@ -374,8 +371,6 @@ static void __init omap_nokia770_init(void)
 	platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
 	spi_register_board_info(nokia770_spi_board_info,
 				ARRAY_SIZE(nokia770_spi_board_info));
-	omap_board_config = nokia770_config;
-	omap_board_config_size = ARRAY_SIZE(nokia770_config);
 	omap_gpio_init();
 	omap_serial_init();
 	omap_register_i2c_bus(1, 100, NULL, 0);

arch/arm/plat-omap/include/mach/usb.h

@@ -21,8 +21,6 @@
 #define UDC_BASE			OMAP1_UDC_BASE
 #define OMAP_OHCI_BASE			OMAP1_OHCI_BASE
 
-void omap_usb_init(struct omap_usb_config *pdata);
-
 #else
 
 #define OTG_BASE			OMAP2_OTG_BASE
@@ -37,6 +35,8 @@ static inline void usb_musb_init(void)
 }
 #endif
 
+void omap_usb_init(struct omap_usb_config *pdata);
+
 #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
 extern void usb_ehci_init(void);
 #else