sh: Make hs7751rvoip/rts7751r2d use pm_power_off.

These were previously sprinkled in machine_power_off(),
though missed being updated when the rest of the boards
switched over.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/renesas/rts7751r2d/setup.c b/arch/sh/boards/renesas/rts7751r2d/setup.c
index 2587fd1..7953dde 100644
--- a/arch/sh/boards/renesas/rts7751r2d/setup.c
+++ b/arch/sh/boards/renesas/rts7751r2d/setup.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/pm.h>
 #include <asm/io.h>
 #include <asm/rts7751r2d/rts7751r2d.h>
 
@@ -20,6 +21,11 @@
 	return "RTS7751R2D";
 }
 
+static void rts7751r2d_power_off(void)
+{
+	ctrl_outw(0x0001, PA_POWOFF);
+}
+
 /*
  * Initialize the board
  */
@@ -27,5 +33,6 @@
 {
 	printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n");
 	ctrl_outw(0x0000, PA_OUTPORT);
+	pm_power_off = rts7751r2d_power_off;
 	debug_counter = 0;
 }