Add getters and types for standard `reg`, `ranges` and `dma-ranges` properties #222

Job	Run time
Cargo check	-1s
Machete dependencies checks	0s
Clippy lint checks	0s
Minimal dependency versions build	0s
Code formatting checks	0s
Build & test	0s
Build with each feature combination	0s
Miri test	0s
	-1s

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