AOSCOS: MIPS: loongson3-memset: replace <asm/export.h> with <linux/export.h>

Per commit 9259e15 ("mips: replace #include <asm/export.h> with
for <linux/export.h>.

Follow the commit and revise loongson3-memset.S accordingly.

Fixes: "AOSCOS: memset optimization for loongson-3"
Signed-off-by: Mingcong Bai <[email protected]>

Signed-off-by: Kexy Biscuit <[email protected]>

Author: MingcongBai

arch/mips/loongson64/loongson3-memset.S

@@ -8,9 +8,9 @@
  * Copyright (C) 2007 by Maciej W. Rozycki
  * Copyright (C) 2011, 2012 MIPS Technologies, Inc.
  */
+#include <linux/export.h>
 #include <asm/asm.h>
 #include <asm/asm-offsets.h>
-#include <asm/export.h>
 #include <asm/regdef.h>
 
 #define LONG_S_L sdl