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/octeon_qlm.h b/arch/mips/mach-octeon/include/mach/octeon_qlm.h
index 219625b..e513436 100644
--- a/arch/mips/mach-octeon/include/mach/octeon_qlm.h
+++ b/arch/mips/mach-octeon/include/mach/octeon_qlm.h
@@ -36,7 +36,7 @@
  *				1: QLMC_REF_CLK0
  *				2: QLMC_REF_CLK1
  *
- * @return	Return 0 on success or -1.
+ * Return:	Return 0 on success or -1.
  *
  * @note	When the 161MHz clock is used it can only be used for
  *		XLAUI mode with a 6316 speed or XFI mode with a 103125 speed.