Here's what I ended up with.
Spear Savagery [general, soldier]
Description: You’re a complete savage with your weapon of choice, the War Spear.
Prerequisite: Weapon Focus (War Spear), Southern Islander or Southern Black Kingdom Tribesman, Kushite or Northern Black Kingdom Tribesman
Benefit: You can use a War Spear as a double weapon with 5ft reach, or normally as a two-handed 10ft reach weapon. When treating the War Spear as a double weapon, the butt of the spear deals 1d6 bludgeoning damage, and counts as a Light Weapon.
Special: Switching grip is a Free Action, which can only be performed once per round during your Initiative.
Polearm Expert [general, soldier]
Prerequisite: Weapon Focus (any Polearm), Hyborian
Benefit: You can use polearms as double weapons with 5ft reach. When treating weapon as double weapon, the butt of the polearm deals 1d6 bludgeoning damage. Switching grip is a Free Action, which can only be performed once per round during your Initiative.
Special: Bardiche, Bill, Light Lance (treated as Hunting Spear), and Pollaxe, qualify as polearms for this feat. Must decide whether to use the polearm as a double weapon or normally at the start of your initiative.
Staff Zen [general, soldier]
Prerequisite: Weapon Focus (Staff), Khitan
Benefit: You can use as a Staff as a double weapons with 5ft reach, or as a two-handed 10ft+ reach weapon. When treating Staff as a double weapon, the butt of the Staff deals 2d4 bludgeoning damage and is treated as a Light Weapon. Switching grip is a Move Action.
Special: Switching grip is a Free Action, which can only be performed once per round during your Initiative.
TTFN,
Yokiboy