Encode core in the kernel name when dumping them

[rpavlovicTT]

                      /tmp/ttmlir_multiply_%5_tensix.cpp
                                  ^        ^  ^
                       Func name -/        |  |
                                           |  |
                         Result Value Loc -/  |
                                              |
         Thread type/info [noc, eth, tensix] -/

Kernels are stored with the above naming scheme, but this is not sufficient when different kernels are created for different core groups. We need to encode cores into kernel names as well. (ref comment).