merge filename and modify references to iseries/hv_call_event.h

Signed-off-by: Kelly Daly <kelly@au.ibm.com>
diff --git a/drivers/char/viocons.c b/drivers/char/viocons.c
index 180507ae..ecf5c09 100644
--- a/drivers/char/viocons.c
+++ b/drivers/char/viocons.c
@@ -47,7 +47,7 @@
 #include <asm/iSeries/vio.h>
 
 #include <asm/iSeries/HvLpEvent.h>
-#include <asm/iSeries/HvCallEvent.h>
+#include <asm/iseries/hv_call_event.h>
 #include <asm/iSeries/HvLpConfig.h>
 #include <asm/iseries/hv_call.h>