usb: rename board_usb_init_type to usb_init_type

commit bba679144d25b91bcd7befff5a96728a30875f54
"usb: rename board_usb_init_type to usb_init_type" missed xhci-omap.c
So, fix that patch here, and fix a checkpatch warning.
WARNING: Avoid unnecessary line continuations

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>

board/ti/omap5_uevm/evm.c

@@ -221,7 +221,7 @@ void usb_hub_reset_devices(int port)
  *
  * @return 0
  */
-int board_usb_init(int index, enum board_usb_init_type init)
+int board_usb_init(int index, enum usb_init_type init)
 {
 	int ret;
 #ifdef CONFIG_PALMAS_USB_SS_PWR

drivers/usb/host/xhci-omap.c

@@ -27,11 +27,11 @@ DECLARE_GLOBAL_DATA_PTR;
 
 static struct omap_xhci omap;
 
-inline int __board_usb_init(int index, enum board_usb_init_type init)
+inline int __board_usb_init(int index, enum usb_init_type init)
 {
 	return 0;
 }
-int board_usb_init(int index, enum board_usb_init_type init) \
+int board_usb_init(int index, enum usb_init_type init)
 	__attribute__((weak, alias("__board_usb_init")));
 
 static void dwc3_set_mode(struct dwc3 *dwc3_reg, u32 mode)