ARM: OMAP: Remove platform_device.h from dsp.h

Remove unnecessary #include <linux/platform_device.h>
Signed-off-by: Komal Shah <komal_shah802003@yahoo.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/plat-omap/dsp/dsp.h

@@ -21,7 +21,6 @@
  *
  */
 
-#include <linux/platform_device.h>
 #include "hardware_dsp.h"
 #include "dsp_common.h"