Convert vendor specific **_WIFI_BUILD_ONLY_MODE symbol as global
in order to provide common build flag to enable CI with no blobs.
Signed-off-by: Sylvio Alves <sylvio.alves@espressif.com>
Move samples/net/wifi application to samples/net/wifi/shell
as it has been used as a shell application before.
Following commits will add new wifi samples to this directory.
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
