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/mtd/nand/raw/tegra_nand.c b/drivers/mtd/nand/raw/tegra_nand.c
index 8e70c8e..d2801d4 100644
--- a/drivers/mtd/nand/raw/tegra_nand.c
+++ b/drivers/mtd/nand/raw/tegra_nand.c
@@ -152,7 +152,7 @@
  * Read one byte from the chip
  *
  * @param mtd	MTD device structure
- * @return	data byte
+ * Return:	data byte
  *
  * Read function for 8bit bus-width
  */
@@ -466,7 +466,7 @@
  *
  * @param info		nand_info structure
  * @param *reg_val	address of reg_val
- * @return 0 if ok, -1 on error
+ * Return: 0 if ok, -1 on error
  */
 static int set_bus_width_page_size(struct mtd_info *our_mtd,
 				   struct fdt_nand *config, u32 *reg_val)
@@ -505,7 +505,7 @@
  * @param page		page number
  * @param with_ecc	1 to enable ECC, 0 to disable ECC
  * @param is_writing	0 for read, 1 for write
- * @return	0 when successfully completed
+ * Return:	0 when successfully completed
  *		-EIO when command timeout
  */
 static int nand_rw_page(struct mtd_info *mtd, struct nand_chip *chip,
@@ -655,7 +655,7 @@
  * @param chip	nand chip info structure
  * @param buf	buffer to store read data
  * @param page	page number to read
- * @return	0 when successfully completed
+ * Return:	0 when successfully completed
  *		-EIO when command timeout
  */
 static int nand_read_page_hwecc(struct mtd_info *mtd,
@@ -687,7 +687,7 @@
  * @param chip	nand chip info structure
  * @param buf	buffer to store read data
  * @param page	page number to read
- * @return	0 when successfully completed
+ * Return:	0 when successfully completed
  *		-EINVAL when chip->oob_poi is not double-word aligned
  *		-EIO when command timeout
  */
@@ -720,7 +720,7 @@
  * @param page		page number to read
  * @param with_ecc	1 to enable ECC, 0 to disable ECC
  * @param is_writing	0 for read, 1 for write
- * @return	0 when successfully completed
+ * Return:	0 when successfully completed
  *		-EINVAL when chip->oob_poi is not double-word aligned
  *		-EIO when command timeout
  */
@@ -838,7 +838,7 @@
  * @param mtd	mtd info structure
  * @param chip	nand chip info structure
  * @param page	page number to write
- * @return	0 when successfully completed
+ * Return:	0 when successfully completed
  *		-EINVAL when chip->oob_poi is not double-word aligned
  *		-EIO when command timeout
  */
@@ -900,7 +900,7 @@
  *
  * @param dev		Driver model device
  * @param config	Device tree NAND configuration
- * @return 0 if ok, -ve on error (FDT_ERR_...)
+ * Return: 0 if ok, -ve on error (FDT_ERR_...)
  */
 static int fdt_decode_nand(struct udevice *dev, struct fdt_nand *config)
 {