PIRQ tables: Fix typos

Change-Id: I4d8abe3841378e06515e1b3a8f22d78425d08449
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/6109
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>

src/mainboard/amd/parmer/irq_tables.c

@@ -63,7 +63,7 @@ unsigned long write_pirq_routing_table(unsigned long addr)
 	addr += 15;
 	addr &= ~15;
 
-	/* This table must be betweeen 0xf0000 & 0x100000 */
+	/* This table must be between 0xf0000 & 0x100000 */
 	printk(BIOS_INFO, "Writing IRQ routing tables to 0x%lx...", addr);
 
 	pirq = (void *)(addr);