hw: add "min_rate" and "max_rate" as alternatives to single "rate" parameter

alsa-project/alsa-lib pull request #191 was opened from bku-sue:

Our typical use case is to limit the rate to between 44100 and 48000, as with these boundaries the resampling becomes easier, than if only allowing 48000.

Request URL : https://github.com/alsa-project/alsa-lib/pull/191 Patch URL : https://github.com/alsa-project/alsa-lib/pull/191.patch Repository URL: https://github.com/alsa-project/alsa-lib