dt-bindings: clock: imx8mn: add SNVS clock

Add macro for the SNVS clock of the i.MX8MN.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
1 file changed