!13091 add op's attr default value

From: @laiyongqiang
Reviewed-by: @kisnwang,@jjfeing
Signed-off-by: @jjfeing

mindspore/ops/_op_impl/tbe/avg_pool.py

@@ -27,6 +27,7 @@ avg_pool_op_info = TBERegOp("AvgPool") \
     .attr("strides", "required", "listInt", "all") \
     .attr("pad_mode", "required", "str", "all") \
     .attr("format", "optional", "str", "all") \
+    .attr("offset_x", "optional", "int", "all", "0") \
     .input(0, "x", False, "required", "all") \
     .input(1, "filter", False, "optional", "all") \
     .input(2, "bias", False, "optional", "all") \

mindspore/ops/_op_impl/tbe/conv3d_transpose.py

@@ -30,6 +30,7 @@ conv3d_transpose_op_info = TBERegOp("Conv3DTranspose") \
     .attr("groups", "optional", "int", "all") \
     .attr("format", "optional", "str", "all") \
     .attr("output_padding", "optional", "listInt", "all") \
+    .attr("offset_x", "optional", "int", "all", "0") \
     .input(0, "x", False, "required", "all") \
     .input(1, "filter", False, "required", "all") \
     .input(2, "bias", False, "optional", "all") \

mindspore/ops/_op_impl/tbe/matmul.py

@@ -26,7 +26,7 @@ matmul_op_info = TBERegOp("MatMul") \
     .need_check_supported(True) \
     .attr("transpose_x1", "required", "bool", "all") \
     .attr("transpose_x2", "required", "bool", "all") \
-    .attr("offset_x", "optional", "int", "all") \
+    .attr("offset_x", "optional", "int", "all", "0") \
     .input(0, "x1", False, "required", "all") \
     .input(1, "x2", False, "required", "all") \
     .input(2, "bias", False, "optional", "all") \

mindspore/ops/_op_impl/tbe/one_hot.py

@@ -24,7 +24,7 @@ one_hot_op_info = TBERegOp("OneHot") \
     .kernel_name("one_hot_d") \
     .partial_flag(True) \
     .attr("depth", "required", "int", "all") \
-    .attr("axis", "required", "int", "all") \
+    .attr("axis", "required", "int", "all", "-1") \
     .input(0, "x", False, "required", "all") \
     .input(1, "on_value", False, "required", "all") \
     .input(2, "off_value", False, "required", "all") \