ARC: fix actionpoints configuration detection

Fix reversed logic while actionpoints configuration (full/min)
detection.

Fixies: 7dd380c3 ("ARC: boot log: print Action point details")
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>