doc: replace @return by Return:

Sphinx expects Return: and not @return to indicate a return value.

find . -name '*.c' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;

find . -name '*.h' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

include/fs.h

@@ -27,7 +27,7 @@ struct blk_desc;
  * @flag: Command flags (CMD_FLAG_...)
  * @argc: Number of arguments
  * @argv: List of arguments
- * @return result (see enum command_ret_t)
+ * Return: result (see enum command_ret_t)
  */
 int do_fat_fsload(struct cmd_tbl *cmdtp, int flag, int argc,
 		  char *const argv[]);
@@ -39,7 +39,7 @@ int do_fat_fsload(struct cmd_tbl *cmdtp, int flag, int argc,
  * @flag: Command flags (CMD_FLAG_...)
  * @argc: Number of arguments
  * @argv: List of arguments
- * @return result (see enum command_ret_t)
+ * Return: result (see enum command_ret_t)
  */
 int do_ext2load(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
 
@@ -118,7 +118,7 @@ int fs_exists(const char *filename);
  *
  * @filename: Name of the file
  * @size: Size of file
- * @return 0 if ok with valid *size, negative on error
+ * Return: 0 if ok with valid *size, negative on error
  */
 int fs_size(const char *filename, loff_t *size);
 
@@ -195,7 +195,7 @@ struct fs_dir_stream {
  * fs_opendir - Open a directory
  *
  * @filename: the path to directory to open
- * @return a pointer to the directory stream or NULL on error and errno
+ * Return: a pointer to the directory stream or NULL on error and errno
  *    set appropriately
  */
 struct fs_dir_stream *fs_opendir(const char *filename);
@@ -209,7 +209,7 @@ struct fs_dir_stream *fs_opendir(const char *filename);
  * longer valid.
  *
  * @dirs: the directory stream
- * @return the next directory entry (only valid until next fs_readdir() or
+ * Return: the next directory entry (only valid until next fs_readdir() or
  *    fs_closedir() call, do not attempt to free()) or NULL if the end of
  *    the directory is reached.
  */
@@ -228,7 +228,7 @@ void fs_closedir(struct fs_dir_stream *dirs);
  * If a given name is a directory, it will be deleted only if it's empty
  *
  * @filename: Name of file or directory to delete
- * @return 0 on success, -1 on error conditions
+ * Return: 0 on success, -1 on error conditions
  */
 int fs_unlink(const char *filename);
 
@@ -236,7 +236,7 @@ int fs_unlink(const char *filename);
  * fs_mkdir - Create a directory
  *
  * @filename: Name of directory to create
- * @return 0 on success, -1 on error conditions
+ * Return: 0 on success, -1 on error conditions
  */
 int fs_mkdir(const char *filename);
 
@@ -281,7 +281,7 @@ int do_fs_type(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
  * @flag: Command flags (CMD_FLAG_...)
  * @argc: Number of arguments
  * @argv: List of arguments
- * @return result (see enum command_ret_t)
+ * Return: result (see enum command_ret_t)
  */
 int do_fs_types(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[]);