Staging: poch: Include linux/types.h

Include linux/types.h in poch.h, so that poch.h can be included in
user application header files.
Signed-off-by: Vijay Kumar B. <vijaykumar@bravegnu.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/poch/poch.h

@@ -7,6 +7,9 @@
  * include/linux for final version.
  *
  */
+
+#include <linux/types.h>
+
 struct poch_counters {
 	__u32 fifo_empty;
 	__u32 fifo_overflow;