0x1286 appears to be Marvell according to the interwebs and Tenda 
makes Wi-Fi adapters but probably just uses Marvell chips.

This renames Tenda (which is not in use in any drivers) to a second 
Marvell vendor and adds an RTL8188EU device.


diff --git sys/dev/usb/usbdevs sys/dev/usb/usbdevs
index 7d07d486b72..03f2fdc8ed4 100644
--- sys/dev/usb/usbdevs
+++ sys/dev/usb/usbdevs
@@ -517,7 +517,7 @@ vendor TSUNAMI		0x1241	Tsunami
 vendor PHEENET		0x124a	Pheenet
 vendor RAPTORGAMING	0x1267	Raptor Gaming
 vendor TWINMOS		0x126f	TwinMOS
-vendor TENDA		0x1286	Tenda
+vendor MARVELL2		0x1286	Marvell
 vendor TESTO		0x128d	Testo AG
 vendor CREATIVE2	0x1292	Creative Labs
 vendor BELKIN2		0x1293	Belkin Components
@@ -2830,6 +2830,8 @@ product MACALLY MOUSE1		0x0101	mouse
 
 /* Marvell products */
 product MARVELL SHEEVAPLUG	0x9e8f	SheevaPlug
+product MARVELL2 TWL541U	0x1fab	TWL541U WLAN
+product MARVELL2 8188EU		0x2045	RTL8188EU WLAN
 
 /* Matrix Orbital products */
 product MATRIXORB LCD_0100	0x0100	LCD
@@ -4461,9 +4463,6 @@ product TEKRAM ZD1211_2		0x6630	ZD1211
 /* Telex Communications products */
 product TELEX MIC1		0x0001	Microphone
 
-/* Tenda */
-product TENDA TWL541U		0x1fab	TWL541U WLAN
-
 /* Ten X Technology, Inc. */
 product TENX MISSILE		0x0202	Missile Launcher
 product TENX TEMPER		0x660c	TEMPer sensor