ASoC: rt5659: use msleep() for long delays

ulseep_range() uses hrtimers and provides no advantage over msleep()
for larger delays. For this large delay msleep() is preferable.

Fixes: commit d3cb2de2 ("ASoC: rt5659: add rt5659 codec driver")
Link: http://lkml.org/lkml/2017/1/11/377


Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Mark Brown <broonie@kernel.org>