[MIPS] Sibyte: Replace use of removed IO_SPACE_BASE with IOADDR.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/sibyte/bcm1480/irq.c b/arch/mips/sibyte/bcm1480/irq.c
index 3ba5ef3..db372a0 100644
--- a/arch/mips/sibyte/bcm1480/irq.c
+++ b/arch/mips/sibyte/bcm1480/irq.c
@@ -370,11 +370,11 @@
 #endif
 		/* Setup uart 1 settings, mapper */
 		/* QQQ FIXME */
-		__raw_writeq(M_DUART_IMR_BRK, IO_SPACE_BASE + A_DUART_IMRREG(kgdb_port));
+		__raw_writeq(M_DUART_IMR_BRK, IOADDR(A_DUART_IMRREG(kgdb_port)));
 
 		__raw_writeq(IMR_IP6_VAL,
-			     IO_SPACE_BASE + A_BCM1480_IMR_REGISTER(0, R_BCM1480_IMR_INTERRUPT_MAP_BASE_H) +
-			     (kgdb_irq<<3));
+			     IOADDR(A_BCM1480_IMR_REGISTER(0, R_BCM1480_IMR_INTERRUPT_MAP_BASE_H) +
+			     (kgdb_irq << 3)));
 		bcm1480_unmask_irq(0, kgdb_irq);
 
 #ifdef CONFIG_GDB_CONSOLE