loongarch64: Add c/zcopy optimization functions.

Signed-off-by: Hao Chen <chenhao@loongson.cn>

Author: CNClareChen

kernel/loongarch64/KERNEL.LOONGSON2K1000

@@ -39,6 +39,8 @@ IDAMINKERNEL = iamin_lsx.S
 
 SCOPYKERNEL =  copy_lsx.S
 DCOPYKERNEL =  copy_lsx.S
+CCOPYKERNEL =  ccopy_lsx.S
+ZCOPYKERNEL =  ccopy_lsx.S
 
 SSWAPKERNEL =  swap_lsx.S
 DSWAPKERNEL =  swap_lsx.S

kernel/loongarch64/KERNEL.LOONGSON3R5

@@ -39,6 +39,8 @@ IDAMINKERNEL = iamin_lasx.S
 
 SCOPYKERNEL =  copy_lasx.S
 DCOPYKERNEL =  copy_lasx.S
+CCOPYKERNEL =  ccopy_lasx.S
+ZCOPYKERNEL =  ccopy_lasx.S
 
 SSWAPKERNEL =  swap_lasx.S
 DSWAPKERNEL =  swap_lasx.S