arm64: dts: imx8mq-librem5: Limit uSDHC2 frequency to 50MHz

SparkLAN card has stability issues at 100MHz. It still appears to be
able to max out its throughput this way, so limit the frequency to
ensure stable operation.

Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Sebastian Krzyszkowiak 2026-01-05 21:39:41 +01:00 • committed by Shawn Guo
commit f9774d6d4b