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/include/i2c_eeprom.h b/include/i2c_eeprom.h
index cd620d5..3ad5656 100644
--- a/include/i2c_eeprom.h
+++ b/include/i2c_eeprom.h
@@ -28,7 +28,7 @@
  * @buf:	Place to put data
  * @size:	Number of bytes to read
  *
- * @return 0 on success, -ve on failure
+ * Return: 0 on success, -ve on failure
  */
 int i2c_eeprom_read(struct udevice *dev, int offset, uint8_t *buf, int size);
 
@@ -40,7 +40,7 @@
  * @buf:	Buffer containing data to write
  * @size:	Number of bytes to write
  *
- * @return 0 on success, -ve on failure
+ * Return: 0 on success, -ve on failure
  */
 int i2c_eeprom_write(struct udevice *dev, int offset, uint8_t *buf, int size);
 
@@ -49,7 +49,7 @@
  *
  * @dev:	Chip to query
  *
- * @return +ve size in bytes on success, -ve on failure
+ * Return: +ve size in bytes on success, -ve on failure
  */
 int i2c_eeprom_size(struct udevice *dev);