Enhance the base/rom extension to generate the symbol file of the rom built.
The symbol file is placed in epoc32/rom/<baseport_name>, along with the rom log and final oby file.
# component name "ADC controller"component base_e32_drivers_adcsource \sf\os\kernelhwsrv\kernel\eka\drivers\adcnotes_source \component_defs\release.srcipr E