Overriding TUNE_CCARGS this way breaks MULTILIB setup for MIPS. This
override disables multilib handling of tunes for TUNE_CCARGS, thus
enforcing glibc's TUNE_CCARGS to the TUNE_CCARGS of main DEFAULTTUNE.
Glibc perfectly build without this override for both simple and multilib
cases.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
