AOSCOS: MIPS: loongson3-memcpy: 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-memcpy.S accordingly.

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

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

Author: MingcongBai

arch/mips/loongson64/loongson3-memcpy.S

@@ -29,9 +29,9 @@
 
 #else /* LINUX_KERNEL */
 
+#include <linux/export.h>
 #include <asm/asm.h>
 #include <asm/asm-offsets.h>
-#include <asm/export.h>
 #include <asm/regdef.h>
 
 #define EXC(inst_reg,addr,handler)		\