[source] ramips: adding DWM-158 3g Modem

[LEDE Commits]

blogic pushed a commit to source.git, branch master:
https://git.lede-project.org/132b88ea3975fb512ba9cece87ead5576d979e05

commit 132b88ea3975fb512ba9cece87ead5576d979e05
Author: Giuseppe Lippolis <giu.lippolis at gmail.com>
AuthorDate: Fri Dec 9 19:25:00 2016 +0100

    ramips: adding DWM-158 3g Modem
    
    This patch add the 3G modem DWM-158 to the usb-serial option driver.
    The DWM-158 is a pcie 3G modem. It is embedded in the DWR-512 modem
    supportet by lede. The patch has been submitted and merged in the upstream
    linux-next repository.
    
    Signed-off-by: Giuseppe Lippolis <giu.lippolis at gmail.com>
---
 .../102-add-dlink-dwr158-in-usb-serial-option.patch        | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/target/linux/ramips/patches-4.4/102-add-dlink-dwr158-in-usb-serial-option.patch b/target/linux/ramips/patches-4.4/102-add-dlink-dwr158-in-usb-serial-option.patch
new file mode 100644
index 0000000..f074d70
--- /dev/null
+++ b/target/linux/ramips/patches-4.4/102-add-dlink-dwr158-in-usb-serial-option.patch
@@ -0,0 +1,14 @@
+Adding registration for 3G modem DWM-158 in usb-serial-option
+
+Signed-off-by: Giuseppe Lippolis <giu.lippolis at gmail.com>
+
+--- a/drivers/usb/serial/option.c	2016-12-03 17:51:59.873595002 +0100
++++ b/drivers/usb/serial/option.c	2016-12-05 19:45:19.891240692 +0100
+@@ -1989,6 +1989,7 @@
+ 	{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d02, 0xff, 0x00, 0x00) },
+ 	{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x02, 0x01) },
+ 	{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) },
++	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d04, 0xff) },			/* D-Link DWM-158 */
+ 	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e19, 0xff),			/* D-Link DWM-221 B1 */
+ 	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+ 	{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */