Unused variable 'reg' removed.

Signed-off-by: Claudio Scordino <claudio@evidence.eu.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/arm/plat-mxc/irq.c

@@ -115,7 +115,6 @@ static struct irq_chip mxc_avic_chip = {
 void __init mxc_init_irq(void)
 {
 	int i;
-	u32 reg;
 
 	/* put the AVIC into the reset value with
 	 * all interrupts disabled