soc_core: ctrl: document registers
authorSean Cross <sean@xobs.io>
Thu, 2 Jan 2020 07:37:45 +0000 (15:37 +0800)
committerSean Cross <sean@xobs.io>
Thu, 2 Jan 2020 07:37:45 +0000 (15:37 +0800)
commit2d75aee7e0192d9be74271c5d0e7d8bd1bfb4b3e
treeeca840276e51376be94e702ec3f73536baab1e28
parenta251d7121152222ee2c96819b2b51343a5741c82
soc_core: ctrl: document registers

This adds a small amount of documentation to the three registers present
inside the `CTRL` module.

Signed-off-by: Sean Cross <sean@xobs.io>
litex/soc/integration/soc_core.py