add do1-do7 di1 procfs

hc

2023-10-12 3124110e504ba82e43686669ed7188bcdbe72744

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BR2_arm=y
BR2_cortex_a35=y
BR2_ARM_FPU_VFPV4=y
BR2_PACKAGE_RK1806=y
BR2_ROOTFS_OVERLAY="board/rockchip/rk1806/fs-overlay-32/"