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/core/acpi.c b/drivers/core/acpi.c
index 2176d8b..e988a65 100644
--- a/drivers/core/acpi.c
+++ b/drivers/core/acpi.c
@@ -109,7 +109,7 @@
  * @dev: Device that generated the data
  * @type: Table type it refers to
  * @start: The start of the data (the end is obtained from ctx->current)
- * @return 0 if OK, -ENOSPC if too many items, -ENOMEM if out of memory
+ * Return: 0 if OK, -ENOSPC if too many items, -ENOMEM if out of memory
  */
 static int acpi_add_item(struct acpi_ctx *ctx, struct udevice *dev,
 			 enum gen_type_t type, void *start)
@@ -179,7 +179,7 @@
  * @start: Start position to put the sorted items. The items will follow each
  *	other in sorted order
  * @type: Type of items to sort
- * @return 0 if OK, -ve on error
+ * Return: 0 if OK, -ve on error
  */
 static int sort_acpi_item_type(struct acpi_ctx *ctx, void *start,
 			       enum gen_type_t type)
diff --git a/drivers/core/device-remove.c b/drivers/core/device-remove.c
index 69c50da..e6ec6ff 100644
--- a/drivers/core/device-remove.c
+++ b/drivers/core/device-remove.c
@@ -170,7 +170,7 @@
  *
  * @flags: Flags passed to device_remove()
  * @drv_flags: Driver flags
- * @return 0 if the device should be removed,
+ * Return: 0 if the device should be removed,
  * -EKEYREJECTED if @flags includes a flag in DM_REMOVE_ACTIVE_ALL but
  *	@drv_flags does not (indicates that this device has nothing to do for
  *	DMA shutdown or OS prepare)
diff --git a/drivers/core/device.c b/drivers/core/device.c
index d917d4e..901c1e2 100644
--- a/drivers/core/device.c
+++ b/drivers/core/device.c
@@ -346,7 +346,7 @@
  * device_alloc_priv() - Allocate priv/plat data required by the device
  *
  * @dev: Device to process
- * @return 0 if OK, -ENOMEM if out of memory
+ * Return: 0 if OK, -ENOMEM if out of memory
  */
 static int device_alloc_priv(struct udevice *dev)
 {
diff --git a/drivers/core/lists.c b/drivers/core/lists.c
index d2e9dc5..22ccd9f 100644
--- a/drivers/core/lists.c
+++ b/drivers/core/lists.c
@@ -161,7 +161,7 @@
  * @param of_match:	List of compatible strings to match
  * @param of_idp:	Returns the match that was found
  * @param compat:	The compatible string to search for
- * @return 0 if there is a match, -ENOENT if no match
+ * Return: 0 if there is a match, -ENOENT if no match
  */
 static int driver_check_compatible(const struct udevice_id *of_match,
 				   const struct udevice_id **of_idp,
diff --git a/drivers/core/of_access.c b/drivers/core/of_access.c
index 3707143..c20b19c 100644
--- a/drivers/core/of_access.c
+++ b/drivers/core/of_access.c
@@ -463,7 +463,7 @@
  * @propname:	name of the property to be searched.
  * @len:	requested length of property value
  *
- * @return the property value on success, -EINVAL if the property does not
+ * Return: the property value on success, -EINVAL if the property does not
  * exist, -ENODATA if property does not have a value, and -EOVERFLOW if the
  * property data isn't large enough.
  */
diff --git a/drivers/core/root.c b/drivers/core/root.c
index 815173f..e3f8795 100644
--- a/drivers/core/root.c
+++ b/drivers/core/root.c
@@ -257,7 +257,7 @@
  * @node: Node to scan
  * @pre_reloc_only: If true, bind only drivers with the DM_FLAG_PRE_RELOC
  * flag. If false bind all drivers.
- * @return 0 if OK, -ve on error
+ * Return: 0 if OK, -ve on error
  */
 static int dm_scan_fdt_node(struct udevice *parent, ofnode parent_node,
 			    bool pre_reloc_only)
diff --git a/drivers/core/uclass.c b/drivers/core/uclass.c
index 336ea8d..2578803 100644
--- a/drivers/core/uclass.c
+++ b/drivers/core/uclass.c
@@ -46,7 +46,7 @@
  * uclass_add() - Create new uclass in list
  * @id: Id number to create
  * @ucp: Returns pointer to uclass, or NULL on error
- * @return 0 on success, -ve on error
+ * Return: 0 on success, -ve on error
  *
  * The new uclass is added to the list. There must be only one uclass for
  * each id.