[CI] Allow STM32SD examples to build for Black F407VET

Signed-off-by: Frederic.Pillon <[email protected]>

Author: fpistm

CI/build/conf/cores_config.json

@@ -54,7 +54,7 @@
         {
           "pattern": "STM32SD",
           "applicable": true,
-          "boards": [ "DISCO_F746NG" ]
+          "boards": [ "DISCO_F746NG", "BLACK_F407VE" ]
         },
         {
           "pattern": "/Ethernet/",