Remove both the ELDK and emdebian links as they are broken, and add a
link to the kernel.org toolchains which we use in CI.
Signed-off-by: Tom Rini <trini@konsulko.com>
Toolchains
----------
- * `ELDK < DULG < DENX <http://www.denx.de/wiki/DULG/ELDK>`_
- * `Embedded Debian -- Cross-development toolchains <http://www.emdebian.org/crosstools.html>`_
* `Buildroot <http://buildroot.uclibc.org/>`_
+ * `kernel.org cross-development toolchains <https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/x86_64/>`_
Known Issues
------------