[MIPS] checkfiles: Fix "need space after that ','" errors.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/mm/pg-sb1.c b/arch/mips/mm/pg-sb1.c
index 82f42ac..a3e98c2 100644
--- a/arch/mips/mm/pg-sb1.c
+++ b/arch/mips/mm/pg-sb1.c
@@ -188,9 +188,9 @@
 	: "+r" (src), "+r" (dst)
 	: "r" (end)
 #ifdef CONFIG_64BIT
-	: "$8","$9","$10","$11","memory");
+	: "$8", "$9", "$10", "$11", "memory");
 #else
-	: "$2","$3","$6","$7","$8","$9","$10","$11","memory");
+	: "$2", "$3", "$6", "$7", "$8", "$9", "$10", "$11", "memory");
 #endif
 }