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 "File Server"
component base_f32
source \sf\os\kernelhwsrv\userlibandfileserver\fileserver\inc
source \sf\os\kernelhwsrv\userlibandfileserver\fileserver\group
source \sf\os\kernelhwsrv\userlibandfileserver\fileserver\bmarm
source \sf\os\kernelhwsrv\userlibandfileserver\fileserver\bwins
source \sf\os\kernelhwsrv\userlibandfileserver\fileserver\bx86
source \sf\os\kernelhwsrv\userlibandfileserver\fileserver\ddesign
source \sf\os\kernelhwsrv\userlibandfileserver\fileserver\eabi
source \sf\os\kernelhwsrv\userlibandfileserver\fileserver\fs_utils
source \sf\os\kernelhwsrv\userlibandfileserver\fileserver\rom
source \sf\os\kernelhwsrv\userlibandfileserver\fileserver\runtests
source \sf\os\kernelhwsrv\userlibandfileserver\fileserver\sfile
source \sf\os\kernelhwsrv\userlibandfileserver\fileserver\sfsrv
source \sf\os\kernelhwsrv\userlibandfileserver\fileserver\ftrace
binary \sf\os\kernelhwsrv\userlibandfileserver\fileserver\group all
exports \sf\os\kernelhwsrv\userlibandfileserver\fileserver\group
notes_source \component_defs\release.src
ipr D
ipr T \sf\os\kernelhwsrv\userlibandfileserver\fileserver\runtests
ipr A \sf\os\kernelhwsrv\userlibandfileserver\fileserver\sfile
ipr A \sf\os\kernelhwsrv\userlibandfileserver\fileserver\sfsrv