usb: chipidea: npcm: Fix coding style with missing space

Fixed coding style issue: added missing space.
Signed-off-by: Andreas Kühn <andreas.kuehn@diekuehnen.com>
Link: https://lore.kernel.org/r/20240831193407.11302-1-andreas.kuehn@diekuehnen.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/chipidea/ci_hdrc_npcm.c

@@ -28,7 +28,7 @@ static int npcm_udc_notify_event(struct ci_hdrc *ci, unsigned event)
 		hw_write(ci, OP_USBMODE, 0xffffffff, 0x0);
 		break;
 	default:
-		dev_dbg(dev, "unknown ci_hdrc event (%d)\n",event);
+		dev_dbg(dev, "unknown ci_hdrc event (%d)\n", event);
 		break;
 	}