According to datasheet, on AR9344 the switch and switch analog need to
be reset first before initiating a full reset.

Resetting these systems fixes spurious reset hangs on Atheros AR9344
SoCs.

Link: https://github.com/freifunk-gluon/gluon/issues/2904



Signed-off-by: David Bauer <mail@david-bauer.net>
(cherry picked from commit 144af32b)