conf: machine: all rk3188-based boards have now DEFAULTTUNE "cortexa9-neon"
conf: machine: all rk3188-based boards have now DEFAULTTUNE "cortexa9-neon"

hizukiayaka/meta-rockchip,twoerner/meta-rockchip-twoerner,hizukiayaka/meta-rockchip,hizukiayaka/meta-rockchip,twoerner/meta-rockchip-twoerner