Update flag parameter docs in KVStore classes

Author: pea-pod

features/storage/kvstore/filesystemstore/FileSystemStore.h

@@ -50,7 +50,8 @@ class FileSystemStore : public KVStore {
       *        if it doesn't exist, creating it by default. If other init modes are desired,
       *        set the flags as necessary.
       *
-      * @param[in]  no_overwrite    If no valid FileSystemStore is found, do not create one.
+      * @param[in]  flags                            Flags that determine how the FileSystemStore allows KV
+      *                                              read/write and store creation.
       * 
       * @returns MBED_SUCCESS                        Success.
       *          MBED_ERROR_INITIALIZATION_FAILED    No valid FileSystemStore found on the device. 

features/storage/kvstore/include/KVStore.h

@@ -74,7 +74,9 @@ class KVStore {
      *  erasing if necessary. If this is undesired, set the no_overwrite parameter
      *  to true.
      *
-     * @param[in]   no_overwrite    If true, KVStore will not modify the underlying storage.
+     * @param[in]  flags                            Flags that determine how the FileSystemStore allows KV
+     *                                              read/write and store creation.
+     * 
      * 
      * @returns MBED_ERROR_INITIALIZATION_FAILED    No valid KVStore in the storage.
      *          MBED_SUCCESS on success or an error code on other failure

features/storage/kvstore/securestore/SecureStore.h

@@ -74,6 +74,9 @@ class SecureStore : public KVStore {
      * @brief Initialize SecureStore class. It will also initialize
      *        the underlying KVStore and the rollback protection KVStore by default.
      *        If other init modes are needed, set the flags as necessary.
+     * 
+     * @param[in]  flags                            Flags that determine how the FileSystemStore allows KV
+     *                                              read/write and store creation.
      *
      * @returns MBED_SUCCESS                        Success.
      *          or any other error from underlying KVStore instances.

features/storage/kvstore/tdbstore/TDBStore.h

@@ -63,7 +63,8 @@ class TDBStore : public KVStore {
      *        is not valid, TBDStore will overwrite the data by default. If other init modes are
      *        desired, set the flags as necessary.
      *
-     * @param[in]  flags                            The read/write and initiazation mode of the TBDStore.
+     * @param[in]  flags                            Flags that determine how the FileSystemStore allows KV
+     *                                              read/write and store creation.
      * 
      * @returns MBED_SUCCESS                        Success.
      *          MBED_ERROR_INITIALIZATION_FAILED    No valid TBD store found in the BlockDevice.