dt-bindings: pwm: fsl,vf610-ftm-pwm: Add compatible for s32g2 and s32g3

The S32G2 and S32G3 have a FlexTimer (FTM) available which is the same
as the one found on the Vybrid Family and the i.MX8.

Add the compatibles in the bindings

Signed-off-by: Daniel Lezcano <[e-mail]>
Acked-by: Conor Dooley <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Uwe Kleine-König <[e-mail]>

Documentation/devicetree/bindings/pwm/fsl,vf610-ftm-pwm.yaml

···
 
 properties:
   compatible:
-    enum:
-      - fsl,vf610-ftm-pwm
-      - fsl,imx8qm-ftm-pwm
+    oneOf:
+      - enum:
+          - fsl,vf610-ftm-pwm
+          - fsl,imx8qm-ftm-pwm
+          - nxp,s32g2-ftm-pwm
+      - items:
+          - const: nxp,s32g3-ftm-pwm
+          - const: nxp,s32g2-ftm-pwm
 
   reg:
     maxItems: 1