i386/a-b-bootblock: factor test memory addresses out into constants
So that we have less magic numbers to deal with. This also allows us to
reuse these in the following commits.
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <
20230919102346.
2117963-2-d-tatianin@yandex-team.ru>