cc/gcc: only build required core passes

We now know exactly what pass to build, so build only what is required.

Reported-by: Trevor Woerner <trevor.woerner@linaro.org>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>

 reporter_name="Benoît Thébaudeau"

 reporter_url="http://www.advansee.com/"

 reporter_comment="Cortex-A9 with NEON support using the hard-float GNU EABI."