Add ethernet controller overrides for all involved boards.
Signed-off-by: NAngelo Durgehello <angelo.dureghello@timesys.com>

This patch adds basic dts files for all the m68k boards.
Reviewed-by: NSimon Glass <sjg@chromium.org>
Signed-off-by: NAngelo Dureghello <angelo@sysam.it>
[trini: Add CONFIG_TARGET_M5329EVB dtbs and update M5329EVB defconfigs]
Signed-off-by: NTom Rini <trini@konsulko.com>