ARM: restart: tegra: use new restart hook

Hook these platforms restart code into the new restart hook rather
than using arch_reset().

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c
index 55c55ba..28c97e3 100644
--- a/arch/arm/mach-tegra/board-paz00.c
+++ b/arch/arm/mach-tegra/board-paz00.c
@@ -192,4 +192,5 @@
 	.init_irq       = tegra_init_irq,
 	.timer          = &tegra_timer,
 	.init_machine   = tegra_paz00_init,
+	.restart	= tegra_assert_system_reset,
 MACHINE_END