arm64: dts: imx8mp-kontron: Fix GPIO labels for latest BL board

Hardware rev 3 changed a few signals. Reflect these changes in
the GPIO labels.

* digital IOs were moved to GPIO expander
* remove labels for unused signals
* add labels for TFT, CSI and USB hub IOs

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Frieder Schrempf 2025-07-21 12:05:42 +02:00 • committed by Shawn Guo
commit 0153bcd37c