add note about veyron speed video init issue

site/docs/hardware/index.md

@@ -69,6 +69,10 @@ libreboot currently supports the following systems in this release:
 -   [ASUS Chromebook Flip C101 (gru-bob)](../install/chromebooks.md)
 -   [Samsung Chromebook Plus (v1) (gru-kevin)](../install/chromebooks.md)
 
+WARNING: veyron speedy boards (e.g. C201) have non-functional video init as
+of 19 February 2023, and no fix is yet available on that date. See:
+<https://notabug.org/libreboot/lbmk/issues/136>
+
 WARNING: Support for these boards is at a proof-of-concept stage. Refer
 to [docs/uboot/](../uboot/) for more info about the U-Boot payload.
 

site/docs/install/c201.md

@@ -3,6 +3,11 @@ title: ASUS Chromebook C201 installation guide
 x-toc-enable: true
 ...
 
+WARNING: This board is known to have non-functioning video init at the time
+of writing, 19 February 2023. It is as yet unsolved.
+
+See: <https://notabug.org/libreboot/lbmk/issues/136>
+
 Introduction
 ===========