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/include/ide.h b/include/ide.h
index 1b37d67..6073943 100644
--- a/include/ide.h
+++ b/include/ide.h
@@ -64,7 +64,7 @@
 /**
  * board_start_ide() - Start up the board IDE interfac
  *
- * @return 0 if ok
+ * Return: 0 if ok
  */
 int board_start_ide(void);