[PATCH] arm64: dts: imx8mp-debix-model-a: Remove invalid rtc property

[Shawn Guo]

On Mon, Aug 07, 2023 at 02:08:42PM -0300, Fabio Estevam wrote:
> From: Fabio Estevam <festevam at denx.de>
> 
> Per haoyu,hym8563.yaml, 'clock-frequency' is not a valid property.
> 
> Remove it to fix the following schema warning:
> 
> imx8mp-debix-model-a.dtb: rtc at 51: Unevaluated properties are not allowed ('clock-frequency' was unexpected)
> 
> Signed-off-by: Fabio Estevam <festevam at denx.de>

Applied, thanks!