2) Copy the compilation configuration file vigilia.config into a .config file in
the main folder by executing "cp vigilia.config .config".
-3) Do "make defconfig" to setup the build options, then do "make world -j<number-of-proc>",
-e.g. make world -j12.
+3) Do "make world -j<number-of-proc>", e.g. make world -j12.
4) After the compilation, the image will be found in
bin/targets/ipq806x/generic/lede-ipq806x-R7800-squashfs-factory.img. We can flash