[PATCH v2] arm64: dts: imx8mq: disable DDRC node by default

[Shawn Guo]

On Sat, Dec 18, 2021 at 07:18:08PM +0100, Lucas Stach wrote:
> Without a OPP table or a downstream TF-A running on the system the DDRC will
> fail to probe, as it has no means to scale the DRAM frequency in that case.
> This however will block the bus scaling driver to come up and this in turn
> prevents other devices that hook into the interconnect from probing.
> 
> If the DDRC is disabled, the interconnect driver will simply ignore it. As
> most systems don't want to scale the DRAM frequency, disable the node by
> default and only enable it on the systems that actually uses this
> capability and provides a valid OPP table in the DT.
> 
> Signed-off-by: Lucas Stach <dev at lynxeye.de>
> Reviewed-by: Fabio Estevam <festevam at gmail.com>
> Acked-by: Martin Kepplinger <martin.kepplinger at puri.sm>
> Reviewed-by: Guido Günther <agx at sigxcpu.org>

Applied, thanks!