MIPS: Loongson64: Fix node_distance()

Local node distance is defined as LOCAL_DISTANCE, which is 10. Use the
define to give back correct local distance.

Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: Huacai Chen <chenhc@lemote.com>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org

arch/mips/loongson64/numa.c

@@ -75,7 +75,7 @@ static int __init compute_node_distance(int row, int col)
 				loongson_sysconf.cores_per_package;
 
 	if (col == row)
-		return 0;
+		return LOCAL_DISTANCE;
 	else if (package_row == package_col)
 		return 40;
 	else