Librems boards: pass coreboot configs from defconfig to oldconfig

Done with:
find config/coreboot-libre* | while read coreboot; do grep -Rn $coreboot boards/ ;done | awk -F "/" {'print $2'} | while read board; do make BOARD=$board coreboot.save_in_oldconfig_format_in_place

Signed-off-by: Thierry Laurion <insurgo@riseup.net>

Author: tlaurion