[S390] irqstats: split IPI interrupt accounting

We use both the external call and emergency call IPIs to signal remote
cpus. Therefore it makes sense to account them differently withing
/proc/irqstats so we actually know what happened.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h
index eadfa9f..ba6d85f 100644
--- a/arch/s390/include/asm/irq.h
+++ b/arch/s390/include/asm/irq.h
@@ -8,7 +8,8 @@
 	EXTERNAL_INTERRUPT,
 	IO_INTERRUPT,
 	EXTINT_CLK,
-	EXTINT_IPI,
+	EXTINT_EXC,
+	EXTINT_EMS,
 	EXTINT_TMR,
 	EXTINT_TLA,
 	EXTINT_PFL,