style: edtlib: Use from to chain the exception

Use the from keyword to chain exceptions in
order to fix the Ruff B904 warning.

Signed-off-by: James Roy <[email protected]>

Author: rruuaanng

.ruff-excludes.toml

@@ -439,7 +439,6 @@
     "UP007",    # https://docs.astral.sh/ruff/rules/non-pep604-annotation
 ]
 "./scripts/dts/python-devicetree/src/devicetree/edtlib.py" = [
-    "B904",     # https://docs.astral.sh/ruff/rules/raise-without-from-inside-except
     "SIM118",   # https://docs.astral.sh/ruff/rules/in-dict-keys
     "UP007",    # https://docs.astral.sh/ruff/rules/non-pep604-annotation
 ]

scripts/dts/python-devicetree/src/devicetree/edtlib.py

@@ -2123,7 +2123,7 @@ def scc_order(self) -> list[list[Node]]:
         try:
             return self._graph.scc_order()
         except Exception as e:
-            raise EDTError(e)
+            raise EDTError(e) from None
 
     def _process_properties_r(self, root_node: Node, props_node: Node) -> None:
         """