sparc: remove unused SERIAL_CONSOLE config option

There are no references to this option in SPARC or
architecture-independent code. Remove it to simplify the configuration
process.

Signed-off-by: Ethan Nelson-Moore <enelsonmoore@gmail.com>
Reviewed-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
This commit is contained in:
Ethan Nelson-Moore 2026-05-04 17:09:12 -07:00 • committed by Andreas Larsson
commit 3774fd535f