Arm backend: Correct checking of args in aot_arm_compiler (#17476)

`args.quantize` can never be `None` (since it is a `bool` and not an
`Optional`). Correct a error check to instead check that it's `False`.

Signed-off-by: Martin Lindström <Martin.Lindstroem@arm.com>

Author: martinlsm

examples/arm/aot_arm_compiler.py

@@ -630,7 +630,7 @@ def get_args():
     args = parser.parse_args()
 
     if args.evaluate and (
-        args.quantize is None or args.intermediates is None or (not args.delegate)
+        (not args.quantize) or args.intermediates is None or (not args.delegate)
     ):
         raise RuntimeError(
             "--evaluate requires --quantize, --intermediates and --delegate to be enabled."