staging: r8188eu: simplify the code to prevent scan blinking restart

The code for scan blinking is wrapped into a big if clause to prevent
restarting if scan blinking is already running.

Revert the if condition and exit if scan blinking is running. This does
not change the behaviour.

Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220911145122.15444-2-martin@kaiser.cx


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