uclibc: update hash for arc

The old hash for 2014.08 was never updated. Since uclibc-arc-2014.12 is
downloaded from the github helper, it is converted into a 'none' hash.

Reordered the hashes so the none-hashes are together.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Tested-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>