cc/gcc: update Linaro GCC revisions to 2012.12

Update Linaro GCC with the latest available revisions.

Signed-off-by: "Benoît Thébaudeau" <benoit.thebaudeau@advansee.com>
Message-Id: <acf52a6302c475ff850e.1355760853@advdt005-ubuntu>
Patchwork-Id: 206905

 #!/bin/sh

 set -e

 printf "Running autoconf...\n"

 autoconf -Wall --force

 printf "Done. You may now run:\n    ./configure\n"