staging: r8188eu: do not "scan blink" if we have a link

Do not blink the led to indicate that we're scanning if we are already
connected to a wireless network.

Tested-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220905200146.82259-8-martin@kaiser.cx


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>