misc: mic: Fix randconfig build error

Fixes randconfig build error reported at
http://www.spinics.net/lists/kernel/msg2092346.html

Reported-by: Jim Davis <[e-mail]>
Reviewed-by: Dasaratharaman Chandramouli <[e-mail]>
Signed-off-by: Ashutosh Dixit <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/misc/mic/cosm/cosm_debugfs.c

···
 
 #include <linux/debugfs.h>
 #include <linux/slab.h>
+#include <linux/io.h>
 #include "cosm_main.h"
 
 /* Debugfs parent dir */