DSP: Fix up dspgateway when building n800 kernel images

A missing include file. Thanks to Tony Lindgren for
pointing that out.
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

drivers/dsp/dspgateway/dsp_ctl_core.c

@@ -25,6 +25,7 @@
 #include <linux/fs.h>
 #include <linux/device.h>
 #include <linux/init.h>
+#include <asm/io.h>
 #include "dsp.h"
 
 #define CTL_MINOR	0

drivers/dsp/dspgateway/taskwatch.c

@@ -27,6 +27,7 @@
 #include <linux/sched.h>
 #include <asm/uaccess.h>
 #include <asm/arch/dsp.h>
+#include <asm/io.h>
 #include "dsp_mbcmd.h"
 #include "dsp.h"