sh: explicitly include sh_dma.h in setup-sh7722.c

setup-sh7722.c defines several objects, whose types are defined in
sh_dma.h, so, it has to be included explicitly.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/kernel/cpu/sh4a/setup-sh7722.c

@@ -12,6 +12,7 @@
 #include <linux/platform_device.h>
 #include <linux/serial.h>
 #include <linux/serial_sci.h>
+#include <linux/sh_dma.h>
 #include <linux/sh_timer.h>
 #include <linux/sh_intc.h>
 #include <linux/uio_driver.h>