The zoneinfo packages are not installed per default so neither
/tmp/localtime nor /tmp/TZ is generated.
This patch mostly reverts the previous fix and instead incooperates a
solution suggested by Jo.
Fixes "base-files: fix zoneinfo support " 8af62ed
Signed-off-by: Paul Spooren <mail@aparcar.org>
(cherry picked from commit 56bdb6bb9781f8a0bbec5fc3075b9d2b8d12f9a8)