[Ascend] Initialize NZ transfer parameters for L0C-to-UB copies (#520)

* fix(ascend): initialize NZ parameters for L0C-to-UB copies

* test(ascend): remove L0C-to-UB NZ parameter regression test

src/ascend/codegen/codegen_ascend.cc

@@ -1470,6 +1470,8 @@ void CodeGenTileLangAscend::EmitL0cToUbufCopy_(const CallNode *op) {
   ICHECK_EQ(op->args.size(), 26)
       << "tl.ascend_copy_matrix_cc_to_ub expects exactly 26 arguments";
 
+  PrintIndent();
+  stream << "asc_set_l0c_copy_nz_para(1, 0, 0);\n";
   EmitCApiCall_("asc_copy_l0c2ub",
                 {{op->args[0]},
                  {op->args[1]},