qmi_wwan: Added support for Fibocom NL668 series

Added support for Fibocom NL668 series QMI interface. Using QMI_QUIRK_SET_DTR required for Qualcomm MDM9x07 chipsets.

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Changelog:
v2: list order to correpond to USB VID/PID values
v3: Fixed patch formatting
v4: Fixed encoding to UTF8

Thanks Bjørn for the pointers, should be UTF8 now also.

usb-devices output:

T:  Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 18 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=1508 ProdID=1001 Rev=03.18
S:  Manufacturer=Nodecom NL668 Modem
S:  Product=Nodecom NL668-CN Modem
S:  SerialNumber=
C:  #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=500mA
I:  If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
I:  If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
I:  If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
I:  If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
I:  If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
I:  If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none)

index 72a55b6..dada68f 100644
@@ -1117,6 +1117,7 @@ static const struct usb_device_id products[] = {
 	{QMI_FIXED_INTF(0x1435, 0xd181, 4)},	/* Wistron NeWeb D18Q1 */
 	{QMI_FIXED_INTF(0x1435, 0xd181, 5)},	/* Wistron NeWeb D18Q1 */
 	{QMI_FIXED_INTF(0x1435, 0xd191, 4)},	/* Wistron NeWeb D19Q1 */
+	{QMI_QUIRK_SET_DTR(0x1508, 0x1001, 4)},	/* Fibocom NL668 series */
 	{QMI_FIXED_INTF(0x16d8, 0x6003, 0)},	/* CMOTech 6003 */
 	{QMI_FIXED_INTF(0x16d8, 0x6007, 0)},	/* CMOTech CHE-628S */
 	{QMI_FIXED_INTF(0x16d8, 0x6008, 0)},	/* CMOTech CMU-301 */

From: Jörgen Storvist <[email protected]>
Date: Wed, 12 Dec 2018 22:45:34 +0100

Applied, thank you.