[dfg] Fix CM4 core type for STM32H7 dual-core devices

Author: chris-durand

devices/stm32/stm32h7-45_55.xml

@@ -74,7 +74,7 @@
     <valid-device>stm32h755zit7@m4</valid-device>
     <valid-device>stm32h755zit7@m7</valid-device>
     <driver name="core">
-      <attribute-type device-core="m4" value="cortex-m4fd"/>
+      <attribute-type device-core="m4" value="cortex-m4f"/>
       <attribute-type device-core="m7" value="cortex-m7fd"/>
       <memory device-core="m7" name="itcm" access="rwx" start="0x00" size="65536"/>
       <memory device-size="g" name="flash" access="rx" start="0x8000000" size="1048576"/>

devices/stm32/stm32h7-47_57.xml

@@ -32,7 +32,7 @@
     <valid-device>stm32h757ziy6@m4</valid-device>
     <valid-device>stm32h757ziy6@m7</valid-device>
     <driver name="core">
-      <attribute-type device-core="m4" value="cortex-m4fd"/>
+      <attribute-type device-core="m4" value="cortex-m4f"/>
       <attribute-type device-core="m7" value="cortex-m7fd"/>
       <memory device-core="m7" name="itcm" access="rwx" start="0x00" size="65536"/>
       <memory device-size="g" name="flash" access="rx" start="0x8000000" size="1048576"/>

tools/generator/dfg/stm32/stm_device_tree.py

@@ -76,7 +76,7 @@ def _properties_from_partname(partname):
     def _properties_from_id(comboDeviceName, device_file, did, core):
         if core.endswith("m4") or core.endswith("m7") or core.endswith("m33"):
             core += "f"
-        if did.family in ["h7"] or (did.family in ["f7"] and did.name not in ["45", "46", "56"]):
+        if (did.family in ["h7"] and "m7" in core) or (did.family in ["f7"] and did.name not in ["45", "46", "56"]):
             core += "d"
         if "@" in did.naming_schema:
             did.set("core", core[7:9])