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.
EXPORTS
_Z9AFunctionv @ 1 NONAME ; AFunction()
_Z3Incv @ 2 NONAME ; Inc()
_Z14GetProcessNamev @ 3 NONAME ; GetProcessName()
_Z13GetThreadNamev @ 4 NONAME ; GetThreadName()