staging: rtl8188eu: print OUI with %*ph

There is no need to pass each byte as a parameter when printing values in hex
format. We rather use %*ph specifier for that.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/core/rtw_ieee80211.c

@@ -935,8 +935,8 @@ static int rtw_ieee802_11_parse_vendor_specific(u8 *pos, uint elen,
 		}
 		break;
 	default:
-		DBG_88E("unknown vendor specific information element ignored (vendor OUI %02x:%02x:%02x len=%lu)\n",
-			pos[0], pos[1], pos[2], (unsigned long)elen);
+		DBG_88E("unknown vendor specific information element ignored (vendor OUI %3phC len=%lu)\n",
+			pos, (unsigned long)elen);
 		return -1;
 	}
 	return 0;