guard code within DEVICE_STORAGE

as required by mbedmicro

hal/hal/storage_abstraction/Driver_Storage.h

@@ -18,6 +18,8 @@
 #ifndef __DRIVER_STORAGE_H
 #define __DRIVER_STORAGE_H
 
+#if DEVICE_STORAGE
+
 #ifdef __cplusplus
 extern "C" {
 #endif // __cplusplus
@@ -762,4 +764,6 @@ typedef struct _ARM_DRIVER_STORAGE {
 }
 #endif // __cplusplus
 
+#endif /* #if DEVICE_STORAGE */
+
 #endif /* __DRIVER_STORAGE_H */

hal/targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_K64F/storage_driver.c

@@ -19,6 +19,8 @@
  * This is a mock driver using the flash abstraction layer. It allows for writing tests.
  */
 
+#if DEVICE_STORAGE
+
 #include <string.h>
 
 #include "Driver_Storage.h"
@@ -1034,3 +1036,5 @@ ARM_DRIVER_STORAGE ARM_Driver_Storage_(0) = {
     .GetNextBlock       = nextBlock,
     .GetBlock           = getBlock
 };
+
+#endif /* #if DEVICE_STORAGE */