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/include/mach/cvmx-ipd.h b/arch/mips/mach-octeon/include/mach/cvmx-ipd.h
index cdff36f..f4a008f 100644
--- a/arch/mips/mach-octeon/include/mach/cvmx-ipd.h
+++ b/arch/mips/mach-octeon/include/mach/cvmx-ipd.h
@@ -213,7 +213,7 @@
  * @param drop_thresh
  *               All incoming packets will be dropped when there are less
  *               than this many free packet buffers in FPA 0.
- * @return Zero on success. Negative on failure
+ * Return: Zero on success. Negative on failure
  */
 int cvmx_ipd_setup_red_queue(int queue, int pass_thresh, int drop_thresh);
 
@@ -226,7 +226,7 @@
  * @param drop_thresh
  *               All incoming packets will be dropped when there are less
  *               than this many free packet buffers in FPA 0.
- * @return Zero on success. Negative on failure
+ * Return: Zero on success. Negative on failure
  */
 int cvmx_ipd_setup_red(int pass_thresh, int drop_thresh);