Merge branch 'fix/deprecated-opts-in-lf' into 'master'

fix: Ensure deprecated options are correctly handled in linker fragments

Closes IDF-13571

See merge request espressif/esp-idf!42096

Author: dobairoland

tools/ldgen/ldgen/sdkconfig.py

@@ -18,7 +18,7 @@ class SDKConfig:
 
     def __init__(self, kconfig_file, sdkconfig_file):
         self.config = kconfiglib.Kconfig(kconfig_file)
-        self.config.load_config(sdkconfig_file)
+        self.config.load_config(sdkconfig_file, load_deprecated=True)
         self.config.warn = False  # eval_string may contain un-declared symbol
 
     def evaluate_expression(self, expression):