Default to FSP binary and headers shiped in 3rdparty/fsp. * Drop headers and code from vendorcode/intel/fsp1_0/broadwell_de * Select HAVE_FSP_BIN to build test the platform * Fetch FSP repo as submodule * Make FSP_HEADER_PATH known from FSP2.0 useable on FSP1.0 * Introduce FSP_SRC_PATH for FSP source file * Add sane defaults for FSP_FILE Tested on wedge100s. Change-Id: I46f201218d19cf34c43a04f57458f474d8c3340d Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/c/30742 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de> Reviewed-by: Jay Talbott <JayTalbott@sysproconsulting.com>