packagegroup-base.bb: add a configure option to set the wireless-daemon

packagegroup-base.bb: add a configure option to set the wireless-daemon

Possible options would be wpa-supplicant or iwd.

iwd is a wireless daemon written by intel and supported by all major network managers.
It can be run in standalone mode and configured with 'iwctl' from the terminal, and
with 'iwgtk' or 'iwdgui' from the gui. It can also work as a wpa_supplicant drop-in
replacement for network-manager, connman or systemd-networkd.

iwd makes heavy use of the kernel api, so it is not portable but does not need
additional external libraries like openssl.

The PACKAGECONFIG name for wpa-supplicant in the connman recipe is changed accordingly,
so that it also works there when WIRELESS_DAEMON is set globally.

Signed-off-by: Markus Volk <f_l_k@t-online.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>