linux 3.4: update to latest git

Changes include, but are not limited to:

* 32bit hdmi audio support
* MMC support for sun41
* SPI fixes
* AXP thermal support

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Merge pull request #55 from koenkooi/kernel-update

linux 3.4: update to latest git