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/arch/mips/mach-octeon/bootoctlinux.c b/arch/mips/mach-octeon/bootoctlinux.c
index 349da08..2c583b8 100644
--- a/arch/mips/mach-octeon/bootoctlinux.c
+++ b/arch/mips/mach-octeon/bootoctlinux.c
@@ -154,7 +154,7 @@
  *				16 dwords.
  * @param	num_words	Number of data dwords (up to 32)
  *
- * @return	0 for success, -1 on error
+ * Return:	0 for success, -1 on error
  */
 static int octeon_set_moveable_region(u32 base, int region_num,
 				      bool enable, const u64 *data,
@@ -219,7 +219,7 @@
  * @param[in] str string to parse
  * @param base 0 for auto, otherwise 8, 10 or 16 for the number base
  *
- * @return number of values read.
+ * Return: number of values read.
  */
 static int octeon_parse_nodes(u64 values[CVMX_MAX_NODES],
 			      const char *str, int base)
@@ -246,7 +246,7 @@
  * @param cmd			command type
  * @param[out] boot_args	parsed values
  *
- * @return number of arguments parsed
+ * Return: number of arguments parsed
  */
 int octeon_parse_bootopts(int argc, char *const argv[],
 			  enum octeon_boot_cmd_type cmd,