drm/amdgpu: remove two invalid BUG_ON()s

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c",
                        "drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c"
                    ],
                    "versions": [
                        {
                            "version": "3d879e81f0f9ed5d33b5eda0fe5226c884bb8073",
                            "lessThan": "7281d5b698d60fa46d17cd36ee8c5192fea9428d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3d879e81f0f9ed5d33b5eda0fe5226c884bb8073",
                            "lessThan": "b68d1f321119b83ca58edd1365c44453b4047c91",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3d879e81f0f9ed5d33b5eda0fe5226c884bb8073",
                            "lessThan": "eaf12bffd7f79f4d46ec028706f9d1a2d90f46fd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3d879e81f0f9ed5d33b5eda0fe5226c884bb8073",
                            "lessThan": "a41bdba05899c7f455cd960ef0713acc335370dc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3d879e81f0f9ed5d33b5eda0fe5226c884bb8073",
                            "lessThan": "5d55ed19d4190d2c210ac05ac7a53f800a8c6fe5",
                            "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/amd/amdgpu/gfx_v11_0.c",
                        "drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c"
                    ],
                    "versions": [
                        {
                            "version": "5.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.19",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.59",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17.9",
                            "lessThanOrEqual": "6.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }