Integrate meta-seco-rk/ap/c31-things
Commit: edgehog/layers/seco/meta-seco-rk@fbfbf5a1
[ROCKCHIP] disable rfkill for all rk boards
Disable rfkill for all Rockchip borads
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Commit: edgehog/layers/seco/meta-seco-rk@6a0dee4c
[C31] use branch next for both u-boot and fw-sysdata
Use branch seco_2017.09_next to build both u-boot-seco-rk and u-boot-seco-rk-fw-sysdata