Remove useless default values from avr-atmega128rfa1 Makefile

Signed-off-by: Kay Förster <red.mail2@gmail.com>
Include I2C sensors to the Contiki System

one project example: project/sn-sensoransteuerung
tested with avr-atmega128rfa1 platform

Signed-off-by: Kay Förster <red.mail2@gmail.com>
I2C bus system (avr) + sensors SHT21, TLS2561, BMP085, BMA180

Signed-off-by: Kay Förster <red.mail2@gmail.com>
sn-sensoransteuerung: use avrdude without sudo

Signed-off-by: Kay Förster <red.mail2@gmail.com>
SHT21-sensor: remove newline from output

Signed-off-by: Kay Förster <red.mail2@gmail.com>
avr-atmega128rfa1: add leds to port B 4, 6 and 3

Signed-off-by: Kay Förster <red.mail2@gmail.com>