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="YEM"

 reporter_url="http://ymorin.is-a-geek.org/"

 reporter_comment="Sample i586 configuration tweaked to generate code for the geode."