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-helper-pki.h b/arch/mips/mach-octeon/include/mach/cvmx-helper-pki.h
index f5933f2..ff32dab 100644
--- a/arch/mips/mach-octeon/include/mach/cvmx-helper-pki.h
+++ b/arch/mips/mach-octeon/include/mach/cvmx-helper-pki.h
@@ -163,7 +163,7 @@
  * @param bp_thresh     backpressure threshold.
  * @param ena_drop      enable tail drop.
  *			1:enable 0:disable
- * @return Zero on success. Negative on failure
+ * Return: Zero on success. Negative on failure
  */
 int cvmx_helper_setup_aura_qos(int node, int aura, bool ena_red, bool ena_drop, u64 pass_thresh,
 			       u64 drop_thresh, bool ena_bp, u64 bp_thresh);
@@ -177,7 +177,7 @@
  * @param bpid          bpid to map.
  * @param chl_map       array of channels to map to that bpid.
  * @param chl_cnt	number of channel/ports to map to that bpid.
- * @return Zero on success. Negative on failure
+ * Return: Zero on success. Negative on failure
  */
 int cvmx_helper_pki_map_aura_chl_bpid(int node, u16 aura, u16 bpid, u16 chl_map[], u16 chl_cnt);