games/fheroes2: update to 0.9.2

Changelog:

• Add View spells support
• Fix many places in logic for monster movement and spells during battle, for kingdom gameplay and for army splitting
• Add Restart button for instant battles
• Add large obstacles generation for battles
• Greatly improve AI logic in battles for spell usage, predictions of movements and
• Add PlayStation Vita support
• Over 100 bugs fixed since 0.9.1 release