m68k: defconfig: add config for M54418EVB board

Add a default configuration for a basic M54418 based EVB board.
The SoC has been supported for a long time but there is no default
configuration. Create one to improve build and test coverage.

Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
This commit is contained in:
Greg Ungerer 2026-04-17 23:09:27 +10:00 • committed by Greg Ungerer
commit 8a92de796f