ARM: restart: pxa: use new restart hook

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

Acked-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index ef64530..dfe40f8 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -905,7 +905,7 @@
 
 static void tosa_poweroff(void)
 {
-	arm_machine_restart('g', NULL);
+	pxa_restart('g', NULL);
 }
 
 static void tosa_restart(char mode, const char *cmd)
@@ -935,7 +935,6 @@
 	init_gpio_reset(TOSA_GPIO_ON_RESET, 0, 0);
 
 	pm_power_off = tosa_poweroff;
-	arm_pm_restart = tosa_restart;
 
 	PCFR |= PCFR_OPDE;
 
@@ -978,4 +977,5 @@
 	.handle_irq       = pxa25x_handle_irq,
 	.init_machine   = tosa_init,
 	.timer          = &pxa_timer,
+	.restart	= tosa_restart,
 MACHINE_END