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/misc/cros_ec_lpc.c b/drivers/misc/cros_ec_lpc.c
index f403759..1a8a813 100644
--- a/drivers/misc/cros_ec_lpc.c
+++ b/drivers/misc/cros_ec_lpc.c
@@ -186,7 +186,7 @@
  *
  * @param dev		CROS_EC device
  * @param blob		Device tree blob
- * @return 0 if ok, -1 on error
+ * Return: 0 if ok, -1 on error
  */
 int cros_ec_lpc_init(struct cros_ec_dev *dev, const void *blob)
 {