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>
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index a435ce6..4119ea4f 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -89,7 +89,7 @@
  * @mtdparts: String describing the partition with mtdparts command syntax
  * @partition: MTD partition structure to fill
  *
- * @return 0 on success, an error otherwise.
+ * Return: 0 on success, an error otherwise.
  */
 static int mtd_parse_partition(const char **_mtdparts,
 			       struct mtd_partition *partition)
@@ -200,7 +200,7 @@
  *          caller.
  * @_nparts: Size of @_parts array.
  *
- * @return 0 on success, an error otherwise.
+ * Return: 0 on success, an error otherwise.
  */
 int mtd_parse_partitions(struct mtd_info *parent, const char **_mtdparts,
 			 struct mtd_partition **_parts, int *_nparts)