[usb-moded] Avoid issues with broken kernel ip handling

Kernel ip handling will timeout after 12 seconds if the interface to be
configured is not there. We avoid this by not using the ip= kernel parameters

Fixes: JB#10205

Signed-off-by: Philippe De Swert <philippe.deswert@jollamobile.com>

docs/usb_moded-doc.txt

@@ -124,15 +124,15 @@ change and udev rules / network manager etc will not think it is a new device ea
 This mac is stored using the default modprobe configuration and thus will be in /etc/modprobe.d/g_ether.conf
 If this file exits usb_moded will assume there is a default mac set and will not do anything.
 
-It is possible to set the configuration on the kernel command line also. For this the regular ip setting from the kernel is
+It is possible to set the configuration on the kernel command line also. For this the format of regular ip setting from the kernel is
 being re-used. 
 
 The format followed is:
-ip=<client-ip>:<server-ip>:<gw-ip>:<netmask>:<hostname>:<device>:<autoconf>
+usb_moded_ip=<client-ip>:<server-ip>:<gw-ip>:<netmask>:<hostname>:<device>:<autoconf>
 
 For more info see the kernel source: Documentation/filesystems/nfs/nfsroot.txt
 
-for example : ip=192.168.3.100::192.168.3.1:255.255.255.0::usb0:off
+for example : usb_moded_ip=192.168.3.100::192.168.3.1:255.255.255.0::usb0:off
 
 NOTE: The device must be usb0! The autoconf value is ignored.
 

src/usb_moded-config.c

@@ -280,7 +280,7 @@ static const char * get_kcmdline_string(const char *entry)
   for (i=0; i < argc; i++) 
   {
     arg_tokens = g_strsplit(argv[i], "=", 2);
-    if (!g_ascii_strcasecmp(arg_tokens[0], "ip"))
+    if (!g_ascii_strcasecmp(arg_tokens[0], "usb_moded_ip"))
     {
       network_tokens = g_strsplit(arg_tokens[1], ":", 7);
       /* check if it is for the usb or rndis interface */