dt-bindings: soc: renesas: Document RZ/G3L SoC variants, SMARC SoM and Carrier-II EVK

Document Renesas RZ/G3L (R9A08G046) SoC variants and the Renesas RZ/G3L
SMARC Carrier-II EVK board which is based on the Renesas RZ/G3L SMARC SoM.
The RZ/G3L SMARC Carrier-II EVK consists of an RZ/G3L SoM module and a
SMARC Carrier-II carrier board.  The SoM module sits on top of the carrier
board.

Reviewed-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260203103031.247435-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

Author: bijudas

Documentation/devicetree/bindings/soc/renesas/renesas.yaml

@@ -548,6 +548,19 @@ properties:
           - const: renesas,r9a08g045s33 # PCIe support
           - const: renesas,r9a08g045
 
+      - description: RZ/G3L (R9A08G046)
+        items:
+          - enum:
+              - renesas,smarc2-evk # RZ SMARC Carrier-II EVK
+          - enum:
+              - renesas,rzg3l-smarcm # RZ/G3L SMARC Module (SoM)
+          - enum:
+              - renesas,r9a08g046l26 # Dual Cortex-A55 + Cortex-M33 + GE3D/VCP (14mm LFBGA)
+              - renesas,r9a08g046l28 # Dual Cortex-A55 + Cortex-M33 + GE3D/VCP (17mm LFBGA)
+              - renesas,r9a08g046l46 # Quad Cortex-A55 + Cortex-M33 + GE3D/VCP (14mm LFBGA)
+              - renesas,r9a08g046l48 # Quad Cortex-A55 + Cortex-M33 + GE3D/VCP (17mm LFBGA)
+          - const: renesas,r9a08g046
+
       - description: RZ/V2M (R9A09G011)
         items:
           - enum: