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-pip.h b/arch/mips/mach-octeon/include/mach/cvmx-pip.h
index 013f533..828604a 100644
--- a/arch/mips/mach-octeon/include/mach/cvmx-pip.h
+++ b/arch/mips/mach-octeon/include/mach/cvmx-pip.h
@@ -946,7 +946,7 @@
 /**
  * Get the entry for the Bit Select Extractor Table.
  * @param work   pointer to work queue entry
- * @return       Index of the Bit Select Extractor Table
+ * Return:       Index of the Bit Select Extractor Table
  */
 static inline int cvmx_pip_get_bsel_table_index(cvmx_wqe_t *work)
 {