merge filename and modify references to iseries/vio.h

Signed-off-by: Kelly Daly <kelly@au.ibm.com>
diff --git a/arch/powerpc/platforms/iseries/vio.c b/arch/powerpc/platforms/iseries/vio.c
index d607eba..c27a668 100644
--- a/arch/powerpc/platforms/iseries/vio.c
+++ b/arch/powerpc/platforms/iseries/vio.c
@@ -17,7 +17,7 @@
 #include <asm/tce.h>
 #include <asm/abs_addr.h>
 #include <asm/page.h>
-#include <asm/iSeries/vio.h>
+#include <asm/iseries/vio.h>
 #include <asm/iseries/hv_types.h>
 #include <asm/iseries/hv_lp_config.h>
 #include <asm/iseries/hv_call_xm.h>