buildroot

binutils: deprecate 2.24.x

Now that 2.26.x is stable and there's 2.25.x to fallback for whatever
reason it makes no sense to keep two versions back from default.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>