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-pko3.h b/arch/mips/mach-octeon/include/mach/cvmx-helper-pko3.h
index ca8d848..f985ce2 100644
--- a/arch/mips/mach-octeon/include/mach/cvmx-helper-pko3.h
+++ b/arch/mips/mach-octeon/include/mach/cvmx-helper-pko3.h
@@ -12,7 +12,7 @@
  * Covers the common hardware, memory and global configuration.
  * Per-interface initialization is performed separately.
  *
- * @return 0 on success.
+ * Return: 0 on success.
  *
  */
 int cvmx_helper_pko3_init_global(unsigned int node);
@@ -29,7 +29,7 @@
  * Configure and initialize PKO3 for an interface
  *
  * @param interface is the interface number to configure
- * @return 0 on success.
+ * Return: 0 on success.
  *
  */
 int cvmx_helper_pko3_init_interface(int xiface);