usb: musb: Get rid of the DMA ifdefs for musb_core.c

For musb_core.c we can now just drop the DMA related
ifdef and use the already existing runtime test for
!is_cppi_enabled(musb) instead.
Signed-off-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

drivers/usb/musb/musb_core.c

@@ -1667,7 +1667,6 @@ void musb_dma_completion(struct musb *musb, u8 epnum, u8 transmit)
 	/* called with controller lock already held */
 
 	if (!epnum) {
-#ifndef CONFIG_USB_TUSB_OMAP_DMA
 		if (!is_cppi_enabled(musb)) {
 			/* endpoint 0 */
 			if (is_host_active(musb))
@@ -1675,7 +1674,6 @@ void musb_dma_completion(struct musb *musb, u8 epnum, u8 transmit)
 			else
 				musb_g_ep0_irq(musb);
 		}
-#endif
 	} else {
 		/* endpoints 1..15 */
 		if (transmit) {