toybox: upgrade to 0.7.0

Change SRC_URI to latest version and update the checksum for package.
remove old patch not longer need it to build it and add depedency found for builiding
on temporary enviroment like yocto.

Signed-off-by: Alejandro Joya <alejandro.joya.cruz@intel.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>