toolchain/buildroot: default to eglibc for mips64

uClibc only works well for O32 ABI on mips64, so default to eglibc that
works just fine with N32 & N64 ABIs as well.

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