cc/gcc: bump Linaro revisions to 2011.05-0

This patch bumps the Linaro GCC revisions to 2011.05-0 when applicable.

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

reporter_name="Julien DUSSER"

reporter_url="http://sourceware.org/ml/crossgcc/2008-10/msg00054.html"

reporter_comment="Soft-float for the 405 PowerPC"