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.
@
cuid: 0x00000001
eid: 2
type: Int32
flags: 0x0000
intval: 0
.
@
cuid: 0x00000001
eid: 1
type: Int32
flags: 0x0000
intval: 0
.
@
cuid: 0x00000001
eid: 3
type: Int32
flags: 0x0000
intval: 0
.