ACPI: EC: clean up handlers on probe failure in acpi_ec_setup()

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CVE-2026-31426

In the Linux kernel, the following vulnerability has been resolved: ACPI: EC: clean up handlers on probe failure in acpiecsetup When ecinstallhandlers returns -EPROBEDEFER on reduced-hardware platforms, it has already started the EC and installed the address space handler with the struct acpiec...