dt-bindings: arm: aspeed: add IBM P11 BMC boards

Document two new AST2600 BMC boards for IBM P11 systems.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240522192524.3286237-13-eajames@linux.ibm.com
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>

Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml

@@ -86,7 +86,9 @@ properties:
               - facebook,harma-bmc
               - facebook,minerva-cmc
               - facebook,yosemite4-bmc
+              - ibm,blueridge-bmc
               - ibm,everest-bmc
+              - ibm,fuji-bmc
               - ibm,rainier-bmc
               - ibm,system1-bmc
               - ibm,tacoma-bmc