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 "E32 Tests"
component base_e32test
source \sf\os\kernelhwsrv\kerneltest\e32test
binary \sf\os\kernelhwsrv\kerneltest\e32test\group all
binary \sf\os\kernelhwsrv\kerneltest\e32test\resourceman\acctst all
exports \sf\os\kernelhwsrv\kerneltest\e32test\group
exports \sf\os\kernelhwsrv\kerneltest\e32test\resourceman\acctst
notes_source \component_defs\release.src
ipr T