ASoC: cs47l35: Use define for DSPCLK enable bit

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20190722093516.12906-1-ckeepax@opensource.cirrus.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/cs47l35.c

@@ -524,7 +524,7 @@ SND_SOC_DAPM_SUPPLY("SYSCLK", MADERA_SYSTEM_CLOCK_1, MADERA_SYSCLK_ENA_SHIFT,
 		    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 SND_SOC_DAPM_SUPPLY("OPCLK", MADERA_OUTPUT_SYSTEM_CLOCK,
 		    MADERA_OPCLK_ENA_SHIFT, 0, NULL, 0),
-SND_SOC_DAPM_SUPPLY("DSPCLK", MADERA_DSP_CLOCK_1, 6,
+SND_SOC_DAPM_SUPPLY("DSPCLK", MADERA_DSP_CLOCK_1, MADERA_DSP_CLK_ENA_SHIFT,
 		    0, NULL, 0),
 
 SND_SOC_DAPM_REGULATOR_SUPPLY("DBVDD2", 0, 0),