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
sound driver code cleanup and documentation
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
remove toolchain path from defconfig
remove toolchain path from defconfig
Merge branch 'dlech' of github.com:mindboards/ev3dev-kernel
Merge branch 'master' of https://github.com/mindboards/ev3dev-kernel
rename touch sensor class to switch sensor
legoev3-uart: use hrtimer and tasklet for keep-alive
add new controllable sensor class for swiching modes

got EV3 UART color sensor communicating
add type_id to legoev3 bus matching
add measure class to generic uart sensor
legoev3-analog: remove bad spinlock
fix deadlock when killing line discipline
legoev3-analog: documtation will be on the wiki