rt2x00: Initial support for RT5370 USB devices.

Add necessary RF chipset define and basic support for these devices.

Tested-by: Juan Carlos Garza <juancarlosgarza@gmail.com>
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 0eb44cf..ba82c97 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -1000,6 +1000,14 @@
 	/* Zinwell */
 	{ USB_DEVICE(0x5a57, 0x0284) },
 #endif
+#ifdef CONFIG_RT2800USB_RT53XX
+	/* Azurewave */
+	{ USB_DEVICE(0x13d3, 0x3329) },
+	{ USB_DEVICE(0x13d3, 0x3365) },
+	/* Ralink */
+	{ USB_DEVICE(0x148f, 0x5370) },
+	{ USB_DEVICE(0x148f, 0x5372) },
+#endif
 #ifdef CONFIG_RT2800USB_UNKNOWN
 	/*
 	 * Unclear what kind of devices these are (they aren't supported by the