[PATCH] dt-bindings: pinctrl: imxrt1020: remove useless comment

[sbabic at denx.de]

> A comment note has been left after completing pinctrl listing, so let's
> remove it since it's useless.
> Signed-off-by: Giulio Benetti <giulio.benetti at benettiengineering.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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