hw/arm_gic.c: Fix save/load of irq_target array

irq_target array saving/loading is in the wrong loop.
Version bump.

Signed-off-by: Dmitry Koshelev <karaghiozis@gmail.com>
Acked-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
