Merge pull request #8934 from yossi2le/yossi_kvstore_k64F_FileSystem

Setting K64F to use KVStore FileSystem configuration

Author: Cruz Monrreal

features/storage/kvstore/conf/mbed_lib.json

@@ -12,7 +12,7 @@
     },
     "target_overrides": {
         "K64F": {
-            "storage_type": "TDB_INTERNAL"
+            "storage_type": "FILESYSTEM"
         },
         "K66F": {
             "storage_type": "TDB_INTERNAL"