add do1-do7 di1 procfs

hc

2023-10-12 3124110e504ba82e43686669ed7188bcdbe72744

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# Locally computed:
sha256  c64b2d334348010a9911f4feb075b2aa669047e7adb86c72d4a6ee7d392a7c20  hplip-3.20.6.tar.gz