drm/radeon: Do not kfree() devres managed rdev

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/radeon/radeon_kms.c"
                    ],
                    "versions": [
                        {
                            "version": "a9ed2f052c5c14e4be58c5ec8794dffc87588123",
                            "lessThan": "f7482516002a11317912e29577bbf33cf59a0fb1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a9ed2f052c5c14e4be58c5ec8794dffc87588123",
                            "lessThan": "2413bbd1d692aed245c2aa38a369a1fa7590db84",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a9ed2f052c5c14e4be58c5ec8794dffc87588123",
                            "lessThan": "3328443363a0895fd9c096edfe8ecd372ca9145e",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/radeon/radeon_kms.c"
                    ],
                    "versions": [
                        {
                            "version": "6.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.58",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17.8",
                            "lessThanOrEqual": "6.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }