FreeBSD/src ad6521c (r350180)sys/dts/arm/overlays sun8i-h3-i2c0.dtso, sys/modules/dtb/allwinner Makefile

dtso: allwinner: Add an overlay for H3 i2c0

Most of the H3 boards don't enable i2c as it is unused.
Add an overlay so it's easier for user to use i2c device.
DeltaFile
+12-0sys/dts/arm/overlays/sun8i-h3-i2c0.dtso
+1-0sys/modules/dtb/allwinner/Makefile
+13-02 files

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