dt-bindings: arm: mstar: Add compatible for 100ask DongShanPiOne

The DongShanPiOne is a SigmaStar SSD202D based module.
Add a compatible for it to the list of infinity2m boards.

Link: http://linux-chenxing.org/infinity2/dongshanpione/
Signed-off-by: Daniel Palmer <[e-mail]>
Acked-by: Rob Herring <[e-mail]>

Documentation/devicetree/bindings/arm/mstar/mstar.yaml

···
       - description: infinity2m boards
         items:
           - enum:
+              - 100ask,dongshanpione # 100ask DongShanPiOne
               - honestar,ssd201htv2 # Honestar SSD201_HT_V2 devkit
               - m5stack,unitv2 # M5Stack UnitV2
               - miyoo,miyoo-mini # Miyoo Mini