ARM: OMAP: Fix compile for various McBSP

Include irqs.h or cpu.h directly as needed to fix
omap builds.

Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap1/mcbsp.c

@@ -17,6 +17,7 @@
 #include <linux/io.h>
 #include <linux/platform_device.h>
 
+#include <mach/irqs.h>
 #include <mach/dma.h>
 #include <mach/irqs.h>
 #include <mach/mux.h>

arch/arm/mach-omap2/mcbsp.c

@@ -17,6 +17,7 @@
 #include <linux/io.h>
 #include <linux/platform_device.h>
 
+#include <mach/irqs.h>
 #include <mach/dma.h>
 #include <mach/irqs.h>
 #include <mach/mux.h>