ASoC: OMAP: mcbsp fixes for enabling ARM multiplatform support

We cannot include any plat or mach headers for the multiplatform
support.

Fix the issue by defining local mcbsp_omap1().

Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/omap/mcbsp.h b/sound/soc/omap/mcbsp.h
index 49a6725..a89791c 100644
--- a/sound/soc/omap/mcbsp.h
+++ b/sound/soc/omap/mcbsp.h
@@ -26,6 +26,12 @@
 
 #include "omap-pcm.h"
 
+#ifdef CONFIG_ARCH_OMAP1
+#define mcbsp_omap1()	1
+#else
+#define mcbsp_omap1()	0
+#endif
+
 /* McBSP register numbers. Register address offset = num * reg_step */
 enum {
 	/* Common registers */