Hi all, this seris aims for a single defintion of the Kconfig symbol. To get there various cleanups, mostly about config symbols are included as well. Chances since V2 are a fixed s/Reviewed/Signed-Off/ for me, and a few reviewed-by tags. I'd like to start merging this into the dma-mapping tree rather sooner than later given that quite a bit of material for this series depends on it.
