intel: Platform common code refactor

Pull out common code from aarch64 and include

Signed-off-by: Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Change-Id: I4d0f5e1bb01bcdacbedf8e6c359de594239b645f
diff --git a/plat/intel/soc/stratix10/plat_storage.c b/plat/intel/soc/stratix10/plat_storage.c
index f5fd871..0b8b9cd 100644
--- a/plat/intel/soc/stratix10/plat_storage.c
+++ b/plat/intel/soc/stratix10/plat_storage.c
@@ -21,7 +21,7 @@
 #include <lib/utils.h>
 #include <common/tbbr/tbbr_img_def.h>
 #include "platform_def.h"
-#include "aarch64/stratix10_private.h"
+#include "stratix10_private.h"
 
 #define STRATIX10_FIP_BASE		(0)
 #define STRATIX10_FIP_MAX_SIZE		(0x1000000)