src/sb: Fix non-local header treated as local

Remove some unneeded includes.

Change-Id: I4b9bcb74b6441db9e44fe471b9cd789e42e7093a
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/27130
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
4 files changed