wifi: Fix for DPP VTS test failures on 5GHz only devices

Pass one 2.4GHz channel (1) and one 5GHz channel(40) in
URI channel-list, so that devices which support only one band
can initiate Authentication.

Bug: 161331637
Test: VtsHalWifiSupplicantV1_2TargetTest
Test: VtsHalWifiSupplicantV1_3TargetTest
Change-Id: Ic2677c5f2c2bebe632f823f0472da0a5ae404c0d