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/video/rockchip/rk_hdmi.h b/drivers/video/rockchip/rk_hdmi.h
index 859a0b9..200dbae 100644
--- a/drivers/video/rockchip/rk_hdmi.h
+++ b/drivers/video/rockchip/rk_hdmi.h
@@ -33,7 +33,7 @@
  * @dev:	device
  * @buf:	output buffer for the EDID
  * @buf_size:	number of bytes in the buffer
- * @return number of bytes read if OK, -ve if something went wrong
+ * Return: number of bytes read if OK, -ve if something went wrong
  */
 int rk_hdmi_read_edid(struct udevice *dev, u8 *buf, int buf_size);
 
@@ -55,7 +55,7 @@
  * rk_hdmi_of_to_plat() - common of_to_plat implementation
  *
  * @dev:	device
- * @return 0 if OK, -ve if something went wrong
+ * Return: 0 if OK, -ve if something went wrong
  */
 int rk_hdmi_of_to_plat(struct udevice *dev);
 
@@ -68,7 +68,7 @@
  * 3. initialises the Designware HDMI PHY
  *
  * @dev:	device
- * @return 0 if OK, -ve if something went wrong
+ * Return: 0 if OK, -ve if something went wrong
  */
 int rk_hdmi_probe(struct udevice *dev);
 
diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c
index fe05748..bc98ab6 100644
--- a/drivers/video/rockchip/rk_vop.c
+++ b/drivers/video/rockchip/rk_vop.c
@@ -238,7 +238,7 @@
  * @fbbase:	Frame buffer address
  * @ep_node:	Device tree node to process - this is the offset of an endpoint
  *		node within the VOP's 'port' list.
- * @return 0 if OK, -ve if something went wrong
+ * Return: 0 if OK, -ve if something went wrong
  */
 static int rk_display_init(struct udevice *dev, ulong fbbase, ofnode ep_node)
 {
diff --git a/drivers/video/rockchip/rk_vop.h b/drivers/video/rockchip/rk_vop.h
index 53a79c0..0528fb2 100644
--- a/drivers/video/rockchip/rk_vop.h
+++ b/drivers/video/rockchip/rk_vop.h
@@ -32,7 +32,7 @@
  * successfully initialised).
  *
  * @dev:	device
- * @return 0 if OK, -ve if something went wrong
+ * Return: 0 if OK, -ve if something went wrong
  */
 int rk_vop_probe(struct udevice *dev);
 
@@ -44,7 +44,7 @@
  *     (32 BPP) x VIDEO_ROCKCHIP_MAX_XRES x VIDEO_ROCKCHIP_MAX_YRES
  *
  * @dev:	device
- * @return 0 (always OK)
+ * Return: 0 (always OK)
  */
 int rk_vop_bind(struct udevice *dev);