USB: serial: Fix module name typo for qcaux Kconfig entry.

The module is called qcaux and not moto_modem. Also use help instead of
---help-- to be in sync with the other Kconfig entries.
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/serial/Kconfig

@@ -474,14 +474,14 @@ config USB_SERIAL_OTI6858
 
 config USB_SERIAL_QCAUX
 	tristate "USB Qualcomm Auxiliary Serial Port Driver"
-	---help---
+	help
 	  Say Y here if you want to use the auxiliary serial ports provided
 	  by many modems based on Qualcomm chipsets.  These ports often use
 	  a proprietary protocol called DM and cannot be used for AT- or
 	  PPP-based communication.
 
 	  To compile this driver as a module, choose M here: the
-	  module will be called moto_modem.  If unsure, choose N.
+	  module will be called qcaux.  If unsure, choose N.
 
 config USB_SERIAL_QUALCOMM
 	tristate "USB Qualcomm Serial modem"