Update the scratch memory docs with the new allocation_size field (#685)

* Update the scratch memory docs with the new allocation_size field

* Address review comment

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Co-authored-by: Srihari <srihariu1@gmail.com>

projects/rocprofiler-sdk/source/docs/how-to/using-rocprofv3.rst

@@ -492,7 +492,7 @@ Here are the contents of ``scratch_memory_trace.csv`` file:
 
 .. csv-table:: Scratch memory trace
    :file: /data/scratch_memory_trace.csv
-   :widths: 10,10,10,10,10,10,20,20
+   :widths: 10,10,10,10,10,10,20,20,20
    :header-rows: 1
 
 For the description of the fields in the output file, see :ref:`output-file-fields`.