merge filename and modify references to iseries/vio.h

Signed-off-by: Kelly Daly <kelly@au.ibm.com>
diff --git a/drivers/char/viocons.c b/drivers/char/viocons.c
index 694bab3..98601c7 100644
--- a/drivers/char/viocons.c
+++ b/drivers/char/viocons.c
@@ -44,7 +44,7 @@
 #include <linux/tty_flip.h>
 #include <linux/sysrq.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>