[POWERPC] Enable restart support for lite5200 board

Use the watchdog timer to implement board restart support.

Signed-off-by: Marian Balakowicz <m8@semihalf.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/arch/powerpc/platforms/52xx/lite5200.c b/arch/powerpc/platforms/52xx/lite5200.c
index 65b7ae4..25d2bfa 100644
--- a/arch/powerpc/platforms/52xx/lite5200.c
+++ b/arch/powerpc/platforms/52xx/lite5200.c
@@ -145,6 +145,9 @@
 	/* Some mpc5200 & mpc5200b related configuration */
 	mpc5200_setup_xlb_arbiter();
 
+	/* Map wdt for mpc52xx_restart() */
+	mpc52xx_map_wdt();
+
 #ifdef CONFIG_PM
 	mpc52xx_suspend.board_suspend_prepare = lite5200_suspend_prepare;
 	mpc52xx_suspend.board_resume_finish = lite5200_resume_finish;
@@ -183,5 +186,6 @@
 	.init		= mpc52xx_declare_of_platform_devices,
 	.init_IRQ 	= mpc52xx_init_irq,
 	.get_irq 	= mpc52xx_get_irq,
+	.restart	= mpc52xx_restart,
 	.calibrate_decr	= generic_calibrate_decr,
 };