overlay: Disable translucency on lock screen

Signed-off-by: zombah <zombah@gmail.com>
Boardconfig: Cleanup

* Remove duplicates
* Move same type into one place
* Add couple vars from other tegra2 boards

Signed-off-by: zombah <zombah@gmail.com>
fstab: Allow access recovery and boot partitions from working system

Signed-off-by: zombah <zombah@gmail.com>