cc/gcc: bump Linaro GCC revisions to 2011.07

This patch bumps the Linaro GCC revisions to 2011.07 when applicable.
Note that the `-0' suffix has been removed from the Linaro versioning scheme
beginning with this version.

Signed-off-by: "Benoît THÉBAUDEAU" <benoit.thebaudeau@advansee.com>

 reporter_name="Nye Liu"

 reporter_url="http://sourceware.org/ml/crossgcc/2008-10/msg00046.html"

 reporter_comment=""