Preserve the docstring's formatting in the description

The default formatter coalesces all whitespace and reflows the text.

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>

scripts/mbedtls_framework/interface_checks.py

@@ -581,7 +581,8 @@ class AbiChecker:
 def run_main():
     try:
         parser = argparse.ArgumentParser(
-            description=__doc__
+            description=__doc__,
+            formatter_class=argparse.RawDescriptionHelpFormatter
         )
         parser.add_argument(
             "-v", "--verbose", action="store_true",