The bus reset functions currently configure a lot of things. Looking
closely they have a topology setup and a polling setup part. Split the
big chunk in smaller better readable functions.
Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://github.com/openwrt/openwrt/pull/21906
Signed-off-by: Robert Marko <robimarko@gmail.com>
5a023509c6