bpf, arm64: Call bpf_jit_binary_pack_finalize() in bpf_jit_free()

The current implementation seems incorrect and does NOT match the
comment above, use bpf_jit_binary_pack_finalize() instead.

Fixes: 1dad391daef1 ("bpf, arm64: use bpf_prog_pack for memory management")
Acked-by: Puranjay Mohan <[e-mail]>
Signed-off-by: Hengqi Chen <[e-mail]>
Acked-by: Song Liu <[e-mail]>
Acked-by: Puranjay Mohan <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Alexei Starovoitov <[e-mail]>

arch/arm64/net/bpf_jit_comp.c

···
 		 * before freeing it.
 		 */
 		if (jit_data) {
-			bpf_arch_text_copy(&jit_data->ro_header->size, &jit_data->header->size,
-					   sizeof(jit_data->header->size));
+			bpf_jit_binary_pack_finalize(jit_data->ro_header, jit_data->header);
 			kfree(jit_data);
 		}
 		prog->bpf_func -= cfi_get_offset();