eerste opzet pwm driver
Opzet van : gpio en led
Commented out sysfs code, added ioctl for pwm.
Changed interface for pwm device driver and updated code.
Added sysfs and testcode.
Added ioctls
Aangepast maar nog niet af
GPIO is nu werkend.
Added code for software pwm and changed testcode.
Added code for software pwm.
Added very simple test kernel module (pwm_test) to test the pwm kernel module.
Cleanup code.
Only software pwm works on channel1 (only pwm_get_settings and pwm_set_settings can be used for now)
Forgot to add pwm_test module.
Added code for hardware pwm and extended test code.
Added code for settings the dutycycle per channel.
Also updated testcode to demonstrate this.
cleanup
Changed frequency to 25kHz for both software and hardware pwm.
More comments
gpio en led zijn werkend. blink functie in led komt later
opgeruimd
Merge branch 'master' of https://github.com/Mark-Jansen/rpi into gpio

Conflicts:
	modules/Makefile
	test/led/Makefile