arch/x86: initialize EBDA in S3 and S0/S5 path

It's more consistent to re-initialize EBDA in all boot paths.
That way, the data living in EBDA is cleared prior to be
accessed (assuming it's after setup_ebda()).

Change-Id: I05ff84f869f7b6a463e52b4cb954acc5566475cd
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/21997
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
1 file changed