The code providing functionality surpassed by the atomic PWM is not
needed anymore and hence can be removed.
Suggested-by: NStefan Agner <stefan@agner.ch>
Suggested-by: NBoris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: NLukasz Majewski <l.majewski@majess.pl>
Reviewed-by: NBoris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: NThierry Reding <thierry.reding@gmail.com>