ARM: restart: remove local_irq_disable() from within arch_reset()

IRQs are already disabled by the time arch_reset() is called, so these
calls to local_irq_disable() instead arch_reset() are redundant.  Remove
them.

Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-lpc32xx/include/mach/system.h

@@ -33,9 +33,6 @@ static inline void arch_reset(char mode, const char *cmd)
 	case 'h':
 		printk(KERN_CRIT "RESET: Rebooting system\n");
 
-		/* Disable interrupts */
-		local_irq_disable();
-
 		lpc32xx_watchdog_reset();
 		break;