linux-dominion: update to 3.13.6

Rediff patches, add soekris-net6501 defconfig, add soekris HPET quirk.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
soekris-net6501: add WIP machine config

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
linux-dominion 3.13: support more machines

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>