Add FSP header files for Twin Lake. Currently these are just a copy of ADL-N headers. BUG=none BRANCH=firmware-nissa-15217.B TEST=Build and boot Google/Yaviks with Twin Lake kconfig enabled Signed-off-by: Kapil Porwal <kapilporwal@google.com> Change-Id: I37579335c784866ebbf978e28936abf046a85b48 Reviewed-on: https://review.coreboot.org/c/coreboot/+/80698 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Subrata Banik <subratabanik@google.com>