ASoC: arizona: Do not test ratio zero as it is not a valid setting
ASoC: arizona: Do not test ratio zero as it is not a valid setting

Zero is not a valid FRATIO for the FLL, as such we shouldn't test it
whilst refining the FRATIO. This patch does just that.

Reported-by: Ryo Tsutsui <05952257b3c5c1024659ae04cc2f0e7a06ae7eb0@wolfsonmicro.com>
Signed-off-by: Charles Keepax <8e4aa0015eb43ed5ca66aaca3fb498609e1e427c@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs