dt-bindings: arm: fsl: add nxp based toradex colibri-imx7 bindings

Document the NXP SoC based Toradex Colibri iMX7S/D module
and the Aster carrier board devicetree bindings.
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Documentation/devicetree/bindings/arm/fsl.yaml

@@ -274,6 +274,7 @@ properties:
         items:
           - enum:
               - toradex,colibri-imx7s           # Colibri iMX7 Solo Module
+              - toradex,colibri-imx7s-aster     # Colibri iMX7 Solo Module on Aster Carrier Board
               - toradex,colibri-imx7s-eval-v3   # Colibri iMX7 Solo Module on Colibri Evaluation Board V3
               - tq,imx7s-mba7             # i.MX7S TQ MBa7 with TQMa7S SoM
           - const: fsl,imx7s
@@ -285,7 +286,9 @@ properties:
               - fsl,imx7d-sdb-reva        # i.MX7 SabreSD Rev-A Board
               - novtech,imx7d-meerkat96   # i.MX7 Meerkat96 Board
               - toradex,colibri-imx7d                   # Colibri iMX7 Dual Module
+              - toradex,colibri-imx7d-aster             # Colibri iMX7 Dual Module on Aster Carrier Board
               - toradex,colibri-imx7d-emmc              # Colibri iMX7 Dual 1GB (eMMC) Module
+              - toradex,colibri-imx7d-emmc-aster        # Colibri iMX7 Dual 1GB (eMMC) Module on Aster Carrier Board
               - toradex,colibri-imx7d-emmc-eval-v3      # Colibri iMX7 Dual 1GB (eMMC) Module on Colibri Evaluation Board V3
               - toradex,colibri-imx7d-eval-v3           # Colibri iMX7 Dual Module on Colibri Evaluation Board V3
               - tq,imx7d-mba7             # i.MX7D TQ MBa7 with TQMa7D SoM