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/usb/musb-new/musb_gadget.c b/drivers/usb/musb-new/musb_gadget.c
index 7cca92b..05bd948 100644
--- a/drivers/usb/musb-new/musb_gadget.c
+++ b/drivers/usb/musb-new/musb_gadget.c
@@ -1966,7 +1966,7 @@
  * -ENOMEM no memory to perform the operation
  *
  * @param driver the gadget driver
- * @return <0 if error, 0 if everything is fine
+ * Return: <0 if error, 0 if everything is fine
  */
 #ifndef __UBOOT__
 static int musb_gadget_start(struct usb_gadget *g,
diff --git a/drivers/usb/musb-new/musb_gadget_ep0.c b/drivers/usb/musb-new/musb_gadget_ep0.c
index cbd92fc..7fdd240 100644
--- a/drivers/usb/musb-new/musb_gadget_ep0.c
+++ b/drivers/usb/musb-new/musb_gadget_ep0.c
@@ -147,7 +147,7 @@
  * that is supposed to be a standard control request. Assumes the fifo to
  * be at least 2 bytes long.
  *
- * @return 0 if the request was NOT HANDLED,
+ * Return: 0 if the request was NOT HANDLED,
  * < 0 when error
  * > 0 when the request is processed
  *
diff --git a/drivers/usb/musb-new/usb-compat.h b/drivers/usb/musb-new/usb-compat.h
index 1c66c4f..df68c92 100644
--- a/drivers/usb/musb-new/usb-compat.h
+++ b/drivers/usb/musb-new/usb-compat.h
@@ -72,7 +72,7 @@
  * usb_dev_get_parent() - Get the parent of a USB device
  *
  * @udev: USB struct containing information about the device
- * @return associated device for which udev == dev_get_parent_priv(dev)
+ * Return: associated device for which udev == dev_get_parent_priv(dev)
  */
 struct usb_device *usb_dev_get_parent(struct usb_device *udev);