merge filename and modify references to iseries/iseries_io.h

Signed-off-by: Kelly Daly <kelly@au.ibm.com>
diff --git a/include/asm-ppc64/io.h b/include/asm-ppc64/io.h
index bd7c953..77fc07c 100644
--- a/include/asm-ppc64/io.h
+++ b/include/asm-ppc64/io.h
@@ -13,7 +13,7 @@
 #include <asm/page.h>
 #include <asm/byteorder.h>
 #ifdef CONFIG_PPC_ISERIES 
-#include <asm/iSeries/iSeries_io.h>
+#include <asm/iseries/iseries_io.h>
 #endif  
 #include <asm/synch.h>
 #include <asm/delay.h>