add do1-do7 di1 procfs

hc

2023-10-12 3124110e504ba82e43686669ed7188bcdbe72744

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CONFIG_CPU_MIPS64_R2=y
CONFIG_MIPS_O32_FP64_SUPPORT=y
CONFIG_64BIT=y
CONFIG_MIPS32_O32=y
CONFIG_MIPS32_N32=y