mainboard/*/*/irq_tables.c: Use tabs for indents

Change-Id: Idc29373cb01f4304d22ae315812bd40f0aaa94c9
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/16729
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/mainboard/emulation/qemu-i440fx/irq_tables.c

@@ -24,5 +24,5 @@ static const struct irq_routing_table intel_irq_routing_table = {
 };
 unsigned long write_pirq_routing_table(unsigned long addr)
 {
-        return copy_pirq_routing_table(addr, &intel_irq_routing_table);
+	return copy_pirq_routing_table(addr, &intel_irq_routing_table);
 }