Disable all pullup/pulldown resitors

This is an important discovery. LEGO is disabling all internal pullup/pulldown resistors.
Merge pull request #10 from dlech/patch-1

Disable all pullup/pulldown resistors
Merge pull request #11 from fdetro/master

Alsa driver improvements and sysfs attributes for sound device
create defconfig
add ev3dev version to Makefile
fix builddeb script to handle uImage
Merge branch 'defconfig' into dlech

Conflicts:
	arch/arm/mach-davinci/board-legoev3.c