ColdFire: Merge differentiated linking files into a sigle one by board

The spa, stm, int, 32 and 16 linking files are identical so there is
no need to differentiate them. A single lds file is now used, and
_config rule are simplified.

Signed-off-by: Stany MARCEL <stany.marcel@novasys-ingenierie.com>
10 files changed