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-ilk.h b/arch/mips/mach-octeon/include/mach/cvmx-helper-ilk.h
index 29af48e..500b5d5 100644
--- a/arch/mips/mach-octeon/include/mach/cvmx-helper-ilk.h
+++ b/arch/mips/mach-octeon/include/mach/cvmx-helper-ilk.h
@@ -48,7 +48,7 @@
  *
  * @param xiface Interface to probe
  *
- * @return Number of ports on the interface. Zero to disable.
+ * Return: Number of ports on the interface. Zero to disable.
  */
 int __cvmx_helper_ilk_probe(int xiface);
 
@@ -60,7 +60,7 @@
  *
  * @param xiface Interface to bring up
  *
- * @return Zero on success, negative on failure
+ * Return: Zero on success, negative on failure
  */
 int __cvmx_helper_ilk_enable(int xiface);
 
@@ -70,7 +70,7 @@
  *
  * @param ipd_port IPD/PKO port to query
  *
- * @return Link state
+ * Return: Link state
  */
 cvmx_helper_link_info_t __cvmx_helper_ilk_link_get(int ipd_port);
 
@@ -85,7 +85,7 @@
  * @param ipd_port  IPD/PKO port to configure
  * @param link_info The new link state
  *
- * @return Zero on success, negative on failure
+ * Return: Zero on success, negative on failure
  */
 int __cvmx_helper_ilk_link_set(int ipd_port, cvmx_helper_link_info_t link_info);