[PATCH] ARM: dts: vf610-zii-dev-rev-b: Fix MDIO over clocking

[Shawn Guo]

On Fri, Oct 30, 2020 at 01:55:28AM +0100, Andrew Lunn wrote:
> The ZII devel B board has two generations of Marvell Switches.  The
> mv88e6352 supports an MDIO clock of 12MHz. However the older 88e6185
> does not like 12MHz, and often fails to probe.
> 
> Reduce the clock speed to 5MHz, which seems to work reliably.
> 
> Cc: Chris Healy <cphealy at gmail.com>
> Fixes: b955387667ec ("ARM: dts: ZII: update MDIO speed and preamble")
> Signed-off-by: Andrew Lunn <andrew at lunn.ch>

Applied, thanks.