hw/arm: Add missing QOM parent for v7-M SoCs

QDev objects created with qdev_new() need to manually add
their parent relationship with object_property_add_child().

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20240104141159.53883-1-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
5 files changed