dt-bindings: interrupt-controller: fsl,irqsteer: Add i.MX94 support

Add compatible string "fsl,imx94-irqsteer" for the i.MX94 chip, which is
backward compatible with "fsl,imx-irqsteer".

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20250407151552.2779343-1-Frank.Li@nxp.com


Signed-off-by: Rob Herring (Arm) <robh@kernel.org>