Rework Kconfig file so that each variant has its own config option with
their specific selects / configuration and move common selects to a
seperate config option, which is used as base for each variant.
Built clevo/n130wu with BUILD_TIMELESS=1, coreboot.rom remains the same.
Change-Id: I1f07b5851ece6d0943faa9c90fc518805880a27d
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49060
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-by: Daniel Maslowski <info@orangecms.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>