omap: musb: introduce default board config

Most boards use exactly the same configuration for musb initialization.
Create a default that can be shared amount different boards.

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c
index a1d550f..9981d06 100644
--- a/arch/arm/mach-omap2/board-omap3stalker.c
+++ b/arch/arm/mach-omap2/board-omap3stalker.c
@@ -526,12 +526,6 @@
 };
 #endif
 
-static struct omap_musb_board_data musb_board_data = {
-	.interface_type	= MUSB_INTERFACE_ULPI,
-	.mode		= MUSB_OTG,
-	.power		= 100,
-};
-
 static void __init omap3_stalker_init(void)
 {
 	omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
@@ -546,7 +540,7 @@
 	omap_display_init(&omap3_stalker_dss_data);
 
 	omap_serial_init();
-	usb_musb_init(&musb_board_data);
+	usb_musb_init(NULL);
 	usbhs_init(&usbhs_bdata);
 	omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);