dt-bindings: arm: ti: Add PocketBeagle2

This board is based on ti,am625 family using the am6232 and am6254
variations.

https://www.beagleboard.org/boards/pocketbeagle-2
https://openbeagle.org/pocketbeagle/pocketbeagle-2

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250415225940.3899486-1-robertcnelson@gmail.com
Signed-off-by: Nishanth Menon <nm@ti.com>

Author: RobertCNelson

Documentation/devicetree/bindings/arm/ti/k3.yaml

@@ -46,6 +46,7 @@ properties:
       - description: K3 AM625 SoC
         items:
           - enum:
+              - beagle,am62-pocketbeagle2
               - beagle,am625-beagleplay
               - ti,am625-sk
               - ti,am62-lp-sk