CANN: implement the SSM_CONV operator (#17737)
* CANN: implement SSM_CONV operator
Co-authored-by: Aleksei Lobanov, <zeromarblectm@gmail.com>
Co-authored-by: Sujin Kang, <waterjin326@gmail.com>
* CANN: remove custom error limit for SSM_CONV
* CANN: merge SSM_CONV tensor shape/strides into one line
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Co-authored-by: Sujin Kang, <waterjin326@gmail.com>