Karl Palsson ad10e96811 stm32l4:dma: add Channel Selection defines
Far from complete support for the channel selection systems on f0/l4,
but at least brings in the defines needed for doing this yourself.

Fixes https://github.com/libopencm3/libopencm3/issues/1001
2018-12-30 21:03:40 +00:00
..