AOSCOS: MIPS: loongson3-memcpy: use PTR_WD to fix build

Per commit fa62f39 ("MIPS: Fix build error due to PTR used in more
places"), `PTR' was renamed to `PTR_WD' to avoid definition conflicts.

Follow this commit to fix build.

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

@@ -37,13 +37,13 @@
 #define EXC(inst_reg,addr,handler)		\
 9:	inst_reg, addr;				\
 	.section __ex_table,"a";		\
-	PTR	9b, handler;			\
+	PTR_WD	9b, handler;			\
 	.previous
 
 #define EXCQ(inst,reg1,reg2,addr,handler)	\
 9:	inst	reg1, reg2, addr;		\
 	.section __ex_table,"a";		\
-	PTR	9b, handler;			\
+	PTR_WD	9b, handler;			\
 	.previous
 
 #endif