scripts/kconfig/symbol.c --> libs/parser/symbol.c
scripts/kconfig/util.c --> libs/parser/util.c
scripts/kconfig/zconf.y --> libs/parser/yconf.y
-scripts/config --> utils/tweak
+scripts/config --> utils/tweak.in
scripts/diffconfig --> utils/diff
scripts/kconfig/merge_config.sh --> utils/merge
scripts/kconfig/streamline_config.pl --> utils/streamline