orinoco: fix spelling mistake: "Registerred" -> "Registered"

trivial fix to spelling mistake in dbg_dbg message
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/intersil/orinoco/main.c

@@ -2283,7 +2283,7 @@ int orinoco_if_add(struct orinoco_private *priv,
 	priv->ndev = dev;
 
 	/* Report what we've done */
-	dev_dbg(priv->dev, "Registerred interface %s.\n", dev->name);
+	dev_dbg(priv->dev, "Registered interface %s.\n", dev->name);
 
 	return 0;