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="Yann E. MORIN"

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

reporter_comment="Experimental toolchain for ARM cortex-m3 in Thumb-only, noMMU, and newlib."