Pass through the original name used by the Steam Virtual Gamepad

Proton uses this on Linux to determine what the XInput slot is for the gamepad. Other applications will get the real controller name and VID/PID by virtue of the code in SDL_steam_virtual_gamepad.c

(cherry picked from commit 361cae0)

src/joystick/controller_list.h

@@ -595,7 +595,7 @@ static const ControllerDescription_t arrControllers[] = {
 	{ MAKE_CONTROLLER_ID( 0x28de, 0x1102 ), k_eControllerType_SteamController, NULL },	// Valve wired Steam Controller (D0G)
 	{ MAKE_CONTROLLER_ID( 0x28de, 0x1105 ), k_eControllerType_SteamController, NULL },	// Valve Bluetooth Steam Controller (D0G)
 	{ MAKE_CONTROLLER_ID( 0x28de, 0x1106 ), k_eControllerType_SteamController, NULL },	// Valve Bluetooth Steam Controller (D0G)
-	{ MAKE_CONTROLLER_ID( 0x28de, 0x11ff ), k_eControllerType_UnknownNonSteamController, "Steam Virtual Gamepad" },	// Steam virtual gamepad
+	{ MAKE_CONTROLLER_ID( 0x28de, 0x11ff ), k_eControllerType_UnknownNonSteamController, NULL },	// Steam Virtual Gamepad
 	{ MAKE_CONTROLLER_ID( 0x28de, 0x1142 ), k_eControllerType_SteamController, NULL },	// Valve wireless Steam Controller
 	{ MAKE_CONTROLLER_ID( 0x28de, 0x1201 ), k_eControllerType_SteamControllerV2, NULL },	// Valve wired Steam Controller (HEADCRAB)
 	{ MAKE_CONTROLLER_ID( 0x28de, 0x1202 ), k_eControllerType_SteamControllerV2, NULL },	// Valve Bluetooth Steam Controller (HEADCRAB)