merge filename and modify references to iseries/hv_types.h

Signed-off-by: Kelly Daly <kelly@au.ibm.com>
diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c
index da78729..cb87d27 100644
--- a/drivers/cdrom/viocd.c
+++ b/drivers/cdrom/viocd.c
@@ -46,7 +46,7 @@
 
 #include <asm/vio.h>
 #include <asm/scatterlist.h>
-#include <asm/iSeries/HvTypes.h>
+#include <asm/iseries/hv_types.h>
 #include <asm/iseries/hv_lp_event.h>
 #include <asm/iSeries/vio.h>