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-fpa.h b/arch/mips/mach-octeon/include/mach/cvmx-helper-fpa.h
index 8b3a89b..766cb07 100644
--- a/arch/mips/mach-octeon/include/mach/cvmx-helper-fpa.h
+++ b/arch/mips/mach-octeon/include/mach/cvmx-helper-fpa.h
@@ -29,7 +29,7 @@
  * @param dfa_buffers
  *               DFA command buffer. A relatively small (32 for example)
  *               number should work.
- * @return Zero on success, non-zero if out of memory
+ * Return: Zero on success, non-zero if out of memory
  */
 int cvmx_helper_initialize_fpa(int packet_buffers, int work_queue_entries, int pko_buffers,
 			       int tim_buffers, int dfa_buffers);