OMAP: Configure audio_mclk for twl4030-codec MFD

audio_mclk value is going to be handled by the
twl4030-codec MFD driver, configure the correct
value for boards, which is using the twl4030 audio.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index 7303b41..59d0dfa 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -334,6 +334,7 @@
 };
 
 static struct twl4030_codec_data overo_codec_data = {
+	.audio_mclk = 26000000,
 	.audio = &overo_audio_data,
 };