Update some additional usages of "bufferization.to_tensor|to_memref" in docs and tests

Author: christopherbate

mlir/docs/Bufferization.md

@@ -223,8 +223,8 @@ func.func @test_matmul(%A: memref<1x17x19xf32>,
                        %B: memref<1x19x29xf32>,
                        %C: memref<1x17x29xf32>) {
 
-  %A_tensor = bufferization.to_tensor %A restrict : memref<1x17x19xf32>
-  %B_tensor = bufferization.to_tensor %B restrict : memref<1x19x29xf32>
+  %A_tensor = bufferization.to_tensor %A restrict : memref<1x17x19xf32> -> tensor<1x17x19xf32>
+  %B_tensor = bufferization.to_tensor %B restrict : memref<1x19x29xf32> -> tensor<1x19x29xf32>
 
   %0 = tosa.matmul %A_tensor, %B_tensor
       : (tensor<1x17x19xf32>, tensor<1x19x29xf32>) ->

mlir/test/Integration/Dialect/SparseTensor/GPU/CUDA/sparse-matvec-const.mlir

@@ -47,7 +47,7 @@ module {
 
     // Call the kernel with an vector taken from global memory.
     %xbuf = memref.get_global @__constant_64xf64 : memref<64xf64>
-    %x = bufferization.to_tensor %xbuf restrict : memref<64xf64>
+    %x = bufferization.to_tensor %xbuf restrict : memref<64xf64> -> tensor<64xf64>
     %0 = call @matvec(%A, %x, %y) : (tensor<1024x64xf64, #CSR>, tensor<64xf64>, tensor<1024xf64>) -> tensor<1024xf64>
 
     //