drm/amd/display: Validate GPIO pin LUT table size before iterating

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c"
                    ],
                    "versions": [
                        {
                            "version": "ae79c310b1a6f97429a5784b65f125d9cc9c95b1",
                            "lessThan": "9900f6954be779011e7c2cd42addd87baf028bc5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ae79c310b1a6f97429a5784b65f125d9cc9c95b1",
                            "lessThan": "fb30a3890d62fd50a95aef684faf64a307592e42",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ae79c310b1a6f97429a5784b65f125d9cc9c95b1",
                            "lessThan": "67461e0c15335894cc5d3b84cda823bf8cbdc886",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ae79c310b1a6f97429a5784b65f125d9cc9c95b1",
                            "lessThan": "7ca695b3122297b06a3ed605bbe1cd32c85d9f5a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ae79c310b1a6f97429a5784b65f125d9cc9c95b1",
                            "lessThan": "f2a4827e980ba07de4391fa84d9c39a12726bdd7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ae79c310b1a6f97429a5784b65f125d9cc9c95b1",
                            "lessThan": "86d2b20644b11d21fe52c596e6e922b4590a3e3f",
                            "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/display/dc/bios/bios_parser2.c"
                    ],
                    "versions": [
                        {
                            "version": "4.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.142",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.92",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.34",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.11",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }