ASoC: davinci-mcasp: Be consistent with the use of base in davinci_mcasp_set_dai_fmt

Replace mcasp->base use with plain base in the davinci_mcasp_set_dai_fmt()
function since it has been already used by the remaining part of the function.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index bd85c98..1341f327 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -243,17 +243,17 @@
 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 	case SND_SOC_DAIFMT_DSP_B:
 	case SND_SOC_DAIFMT_AC97:
-		mcasp_clr_bits(mcasp->base + DAVINCI_MCASP_TXFMCTL_REG, FSXDUR);
-		mcasp_clr_bits(mcasp->base + DAVINCI_MCASP_RXFMCTL_REG, FSRDUR);
+		mcasp_clr_bits(base + DAVINCI_MCASP_TXFMCTL_REG, FSXDUR);
+		mcasp_clr_bits(base + DAVINCI_MCASP_RXFMCTL_REG, FSRDUR);
 		break;
 	default:
 		/* configure a full-word SYNC pulse (LRCLK) */
-		mcasp_set_bits(mcasp->base + DAVINCI_MCASP_TXFMCTL_REG, FSXDUR);
-		mcasp_set_bits(mcasp->base + DAVINCI_MCASP_RXFMCTL_REG, FSRDUR);
+		mcasp_set_bits(base + DAVINCI_MCASP_TXFMCTL_REG, FSXDUR);
+		mcasp_set_bits(base + DAVINCI_MCASP_RXFMCTL_REG, FSRDUR);
 
 		/* make 1st data bit occur one ACLK cycle after the frame sync */
-		mcasp_set_bits(mcasp->base + DAVINCI_MCASP_TXFMT_REG, FSXDLY(1));
-		mcasp_set_bits(mcasp->base + DAVINCI_MCASP_RXFMT_REG, FSRDLY(1));
+		mcasp_set_bits(base + DAVINCI_MCASP_TXFMT_REG, FSXDLY(1));
+		mcasp_set_bits(base + DAVINCI_MCASP_RXFMT_REG, FSRDLY(1));
 		break;
 	}