!8518 [MS][LITE]Fix Matmul

From: @gongdaguo
Reviewed-by: @zhang_xue_tong,@zhanghaibo5
Signed-off-by: @zhang_xue_tong

mindspore/lite/src/ops/matmul.cc

@@ -116,8 +116,8 @@ int MatMul::InferShape(std::vector<Tensor *> inputs_, std::vector<Tensor *> outp
     MS_LOG(ERROR) << "inputs shape is invalid";
     return RET_INPUT_TENSOR_ERROR;
   }
-  for (size_t i = 0; i < a_shape.size() - 2; ++i) {
-    if (a_shape[i] != b_shape[i]) {
+  for (size_t i = 0; i < (a_shape.size() - 2) && i < (b_shape.size() - 2); ++i) {
+    if (a_shape[a_shape.size() - 3 - i] != b_shape[b_shape.size() - 3 - i]) {
       MS_LOG(ERROR) << "Op MatMul's dimensions must be equal";
       return RET_INPUT_TENSOR_ERROR;
     }

mindspore/lite/src/ops/transpose.cc

@@ -124,7 +124,6 @@ int Transpose::InferShape(std::vector<Tensor *> inputs_, std::vector<Tensor *> o
   if (!GetInferFlag()) {
     return RET_OK;
   }
-  MS_ASSERT(inputs_.size() == kDoubleNum);
   MS_ASSERT(outputs_.size() == kSingleNum);
 
   int conjugate = GetConjugate();

mindspore/lite/src/runtime/kernel/arm/fp32/transpose_fp32.cc

@@ -116,7 +116,6 @@ int TransposeFp32Run(void *cdata, int task_id) {
 }
 
 int TransposeCPUKernel::Run() {
-  MS_ASSERT(in_tensors_.size() == 2);
   MS_ASSERT(out_tensors_.size() == 1);
   auto &in_tensor = in_tensors_.front();
   auto &out_tensor = out_tensors_.front();