arm: omap: usb: Invoke usbhs core device initialization

The usbhs intialization is invoked by all omap3 and omap4
variant board files.

Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/arch/arm/mach-omap2/board-zoom.c b/arch/arm/mach-omap2/board-zoom.c
index 19b9912..1dd195a 100644
--- a/arch/arm/mach-omap2/board-zoom.c
+++ b/arch/arm/mach-omap2/board-zoom.c
@@ -123,7 +123,7 @@
 	} else if (machine_is_omap_zoom3()) {
 		omap3_mux_init(board_mux, OMAP_PACKAGE_CBP);
 		omap_mux_init_gpio(ZOOM3_EHCI_RESET_GPIO, OMAP_PIN_OUTPUT);
-		usb_ehci_init(&usbhs_bdata);
+		usbhs_init(&usbhs_bdata);
 	}
 
 	board_nand_init(zoom_nand_partitions,