pwm: Use kcalloc() instead of kzalloc()

kcalloc() should be preferred for allocations of arrays over kzalloc()
with multiplication.

Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Thierry Reding 2016-05-02 12:07:34 +02:00
commit 2907f8abb7