If combo is used, fill the EFS header with address of COMBO header. If not, fill with address of PSP header. The old code fills with PSP headers all the time. Change-Id: I0057165aea553d9dc8e4e719e2804557229a0002 Signed-off-by: Zheng Bao <fishbaozi@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/66855 Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>