ap_start.sh: set IP addr after hostapd init

Setup IP address to wlan1 interface of AP after hostpad start
to not initialize wlan1 interface twice.

Signed-off-by: Igal Chernobelsky <igalc@ti.com>
testing_set_wlcore.sh: fix wlconf path

Signed-off-by: Igal Chernobelsky <igalc@ti.com>