ARM: OMAP: Make plat/common.h local to mach-omap1 and mach-omap2

We cannot keep this in plat/common.h for common zImage support.

Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h
index a68b421..b91b2a2 100644
--- a/arch/arm/mach-omap2/common.h
+++ b/arch/arm/mach-omap2/common.h
@@ -36,7 +36,8 @@
 
 #include <plat/cpu.h>
 #include <plat/serial.h>
-#include <plat/common.h>
+
+#include "../plat-omap/common.h"
 
 #include "i2c.h"