merge filename and modify references to iseries/vio.h

Signed-off-by: Kelly Daly <kelly@au.ibm.com>
diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c
index 3242b24..867cc4e 100644
--- a/drivers/char/viotape.c
+++ b/drivers/char/viotape.c
@@ -29,7 +29,7 @@
  *
  * All tape operations are performed by sending messages back and forth to
  * the OS/400 partition.  The format of the messages is defined in
- * iSeries/vio.h
+ * iseries/vio.h
  */
 #include <linux/config.h>
 #include <linux/version.h>
@@ -54,7 +54,7 @@
 #include <asm/ioctls.h>
 
 #include <asm/vio.h>
-#include <asm/iSeries/vio.h>
+#include <asm/iseries/vio.h>
 #include <asm/iseries/hv_lp_event.h>
 #include <asm/iseries/hv_call_event.h>
 #include <asm/iseries/hv_lp_config.h>