wpa_supplicant.conf: freq_list should be included in the network block.

Setting frequency list outside the network block limits scanning, and
inside the network block limits connections. Add it to the network
block so that the --band option has the desired behavior.

See b/33164571

Change-Id: I7920b1a3268eed6aaa3cb70ce4f1164288edb87d
2 files changed