[PATCH 2/2] geos: backport Geos driver from linux-next

Backport of linux-next driver.
Driver adds support for LEDS and S/W button.
Add hotplug script for button actions.
Add Openwrt system config for LEDS triggers.
Add updated kernel .config for 3.2 symbols.
[Patch from Philipp Prindeville, via  http://patchwork.openwrt.org/patch/1816/]

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29996 3c298f89-4303-0410-b956-a3cf2f4a3e73