ASoC: rt1015: modify pre-divider for sysclk

Modify pre-divider for system clock.
Signed-off-by: NJack Yu <jack.yu@realtek.com>
Link: https://lore.kernel.org/r/20200303025913.24499-1-jack.yu@realtek.comSigned-off-by: NMark Brown <broonie@kernel.org>

sound/soc/codecs/rt1015.c

@@ -664,7 +664,7 @@ static int rt1015_hw_params(struct snd_pcm_substream *substream,
 	snd_soc_component_update_bits(component, RT1015_TDM_MASTER,
 		RT1015_I2S_DL_MASK, val_len);
 	snd_soc_component_update_bits(component, RT1015_CLK2,
-		RT1015_FS_PD_MASK, pre_div);
+		RT1015_FS_PD_MASK, pre_div << RT1015_FS_PD_SFT);
 
 	return 0;
 }