usb: dwc3: st: fix probed platform device ref count on probe error path

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CVE-2024-46674: Use After Free

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: st: fix probed platform device ref count on probe error path The probe function never performs any paltform device allocation, thus error path "undoplatformdevalloc" is entirely bogus. It drops the reference count from...