sh: fix implicit use of stat.h in arch/sh specific files

To fix:

arch/sh/drivers/dma/dma-sysfs.c:45:8: error: 'S_IRUGO' undeclared here (not in a function)
arch/sh/drivers/dma/dma-sysfs.c:75:8: error: 'S_IWUSR' undeclared here (not in a function)
make[4]: *** [arch/sh/drivers/dma/dma-sysfs.o] Error 1

drivers/sh/intc/core.c:449: error: 'S_IRUGO' undeclared here (not in a function)
make[5]: *** [drivers/sh/intc/core.o] Error 1

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/arch/sh/drivers/dma/dma-sysfs.c b/arch/sh/drivers/dma/dma-sysfs.c
index 1ee631d..83cc704 100644
--- a/arch/sh/drivers/dma/dma-sysfs.c
+++ b/arch/sh/drivers/dma/dma-sysfs.c
@@ -11,6 +11,7 @@
  */
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/stat.h>
 #include <linux/sysdev.h>
 #include <linux/platform_device.h>
 #include <linux/err.h>
diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c
index c6ca115..f892529 100644
--- a/drivers/sh/intc/core.c
+++ b/drivers/sh/intc/core.c
@@ -22,6 +22,7 @@
 #include <linux/irq.h>
 #include <linux/io.h>
 #include <linux/slab.h>
+#include <linux/stat.h>
 #include <linux/interrupt.h>
 #include <linux/sh_intc.h>
 #include <linux/sysdev.h>