Create LTE-modem-Kernel-defconfig

This kernel configuration is use on lte-usb-modem.
The confirm lte-modem-devices is "L-02C".
If you use the this kernel configuration, have to make yocto bitbake command.

For Example,
$ cp ~/this configuration file~ ~/edison-src/device-software/meta-edison/recipes-kernel/linux/files/defconfig

$ bitbake virtual/kernel -c configure -f -v
$ bitbake edison-image
$ ~/edison-src/device-software/utils/flash/postBuild.sh
$ cp ~/edison-src/build/toFlash/edison-image-edison.hddimg ~ your devices~