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

 reporter_name="dsreed on freenode/#crosstool-ng"

 reporter_url=""

 reporter_comment="Enables experimental support for VFP/NEON hardware floating point."