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/remoteproc/stm32_copro.c b/drivers/remoteproc/stm32_copro.c
index 4c5f248..5271f83 100644
--- a/drivers/remoteproc/stm32_copro.c
+++ b/drivers/remoteproc/stm32_copro.c
@@ -30,7 +30,7 @@
 /**
  * stm32_copro_probe() - Basic probe
  * @dev:	corresponding STM32 remote processor device
- * @return 0 if all went ok, else corresponding -ve error
+ * Return: 0 if all went ok, else corresponding -ve error
  */
 static int stm32_copro_probe(struct udevice *dev)
 {
@@ -61,7 +61,7 @@
  * @dev:	corresponding STM32 remote processor device
  * @da:		device address
  * @size:	Size of the memory region @da is pointing to
- * @return converted virtual address
+ * Return: converted virtual address
  */
 static void *stm32_copro_device_to_virt(struct udevice *dev, ulong da,
 					ulong size)
@@ -89,7 +89,7 @@
  * @dev:	corresponding STM32 remote processor device
  * @addr:	Address in memory where image is stored
  * @size:	Size in bytes of the image
- * @return 0 if all went ok, else corresponding -ve error
+ * Return: 0 if all went ok, else corresponding -ve error
  */
 static int stm32_copro_load(struct udevice *dev, ulong addr, ulong size)
 {
@@ -123,7 +123,7 @@
 /**
  * stm32_copro_start() - Start the STM32 remote processor
  * @dev:	corresponding STM32 remote processor device
- * @return 0 if all went ok, else corresponding -ve error
+ * Return: 0 if all went ok, else corresponding -ve error
  */
 static int stm32_copro_start(struct udevice *dev)
 {
@@ -157,7 +157,7 @@
 /**
  * stm32_copro_reset() - Reset the STM32 remote processor
  * @dev:	corresponding STM32 remote processor device
- * @return 0 if all went ok, else corresponding -ve error
+ * Return: 0 if all went ok, else corresponding -ve error
  */
 static int stm32_copro_reset(struct udevice *dev)
 {
@@ -186,7 +186,7 @@
 /**
  * stm32_copro_stop() - Stop the STM32 remote processor
  * @dev:	corresponding STM32 remote processor device
- * @return 0 if all went ok, else corresponding -ve error
+ * Return: 0 if all went ok, else corresponding -ve error
  */
 static int stm32_copro_stop(struct udevice *dev)
 {
@@ -196,7 +196,7 @@
 /**
  * stm32_copro_is_running() - Is the STM32 remote processor running
  * @dev:	corresponding STM32 remote processor device
- * @return 0 if the remote processor is running, 1 otherwise
+ * Return: 0 if the remote processor is running, 1 otherwise
  */
 static int stm32_copro_is_running(struct udevice *dev)
 {