dt-bindings: arm: stm32: add compatible for stm32h747i-disco board

The board includes an STM32H747XI SoC with the following resources:
 - 2 Mbytes Flash
 - 1 MByte SRAM
 - LCD-TFT controller
 - MIPI-DSI interface
 - FD-CAN
 - USB 2.0 high-speed/full-speed
 - Ethernet MAC
 - camera interface

Detailed information can be found at:
https://www.st.com/en/evaluation-tools/stm32h747i-disco.html

Signed-off-by: Dario Binacchi <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexandre Torgue <[email protected]>

Author: passgat

Documentation/devicetree/bindings/arm/stm32/stm32.yaml

@@ -42,6 +42,10 @@ properties:
               - st,stm32h743i-disco
               - st,stm32h743i-eval
           - const: st,stm32h743
+      - items:
+          - enum:
+              - st,stm32h747i-disco
+          - const: st,stm32h747
       - items:
           - enum:
               - st,stm32h750i-art-pi