dt-bindings: clock: add RMII clock selection

Add RMII clock selection for ENETC0 and ENETC1.

Signed-off-by: Wei Fang <wei.fang@nxp.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20240829011849.364987-3-wei.fang@nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>

Author: WeiFang-NXP

include/dt-bindings/clock/nxp,imx95-clock.h

@@ -25,4 +25,7 @@
 #define IMX95_CLK_DISPMIX_ENG0_SEL		0
 #define IMX95_CLK_DISPMIX_ENG1_SEL		1
 
+#define IMX95_CLK_NETCMIX_ENETC0_RMII		0
+#define IMX95_CLK_NETCMIX_ENETC1_RMII		1
+
 #endif	/* __DT_BINDINGS_CLOCK_IMX95_H */