fix precision of PLL computation for TLV320AIC3x SoC driver,
test results are at http://pmeerw.net/clkSigned-off-by: NPeter Meerwald <pmeerw@pmeerw.net>
Acked-by: NVladimir Barinov <vova.barinov@gmail.com>
Acked-by: NLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>