[MIPS] SNI: MIPS_CPU_IRQ_BASE cleanup

Use MIPS_CPU_IRQ_BASE instead of own define.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c
index 517dc69..b82ff12 100644
--- a/arch/mips/sni/rm200.c
+++ b/arch/mips/sni/rm200.c
@@ -148,7 +148,7 @@
 	int irq;
 
 	if (pending & C_IRQ5)
-		do_IRQ (SNI_MIPS_IRQ_CPU_BASE + 7);
+		do_IRQ (MIPS_CPU_IRQ_BASE + 7);
 	else if (pending & C_IRQ0) {
 		clear_c0_status (IE_IRQ0);
 		mask = *(volatile u8 *)SNI_RM200_INT_ENA_REG ^ 0x1f;