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/crypto/fsl/jobdesc.c b/drivers/crypto/fsl/jobdesc.c
index c350b32..542b165 100644
--- a/drivers/crypto/fsl/jobdesc.c
+++ b/drivers/crypto/fsl/jobdesc.c
@@ -22,7 +22,7 @@
  * Secure memory run command
  *
  * @param   sec_mem_cmd  Secure memory command register
- * @return  cmd_status  Secure memory command status register
+ * Return:  cmd_status  Secure memory command status register
  */
 uint32_t secmem_set_cmd(uint32_t sec_mem_cmd)
 {
@@ -52,7 +52,7 @@
  *
  * @param   page  Number of the page to allocate.
  * @param   partition  Number of the partition to allocate.
- * @return  0 on success, ERROR_IN_PAGE_ALLOC otherwise
+ * Return:  0 on success, ERROR_IN_PAGE_ALLOC otherwise
  */
 int caam_page_alloc(uint8_t page_num, uint8_t partition_num)
 {