add do1-do7 di1 procfs

hc

2023-10-12 3124110e504ba82e43686669ed7188bcdbe72744

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arcpgu-y := arcpgu_crtc.o arcpgu_hdmi.o arcpgu_sim.o arcpgu_drv.o
obj-$(CONFIG_DRM_ARCPGU) += arcpgu.o