pds_core: fix cmd_regs access racing BAR unmap on reset

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/amd/pds_core/fw.c",
                        "drivers/net/ethernet/amd/pds_core/main.c"
                    ],
                    "versions": [
                        {
                            "version": "f6ec6ac9432941ec85a2221c91b1ecfc85680d89",
                            "lessThan": "0bf9f3bae3c4b1eadb7a2bf63350333db7dac0d9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e96094c1d11cce4deb5da3c0500d49041ab845b8",
                            "lessThan": "2cc697565fd19b5ba2d100cdd4a20dd6d263abc2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e96094c1d11cce4deb5da3c0500d49041ab845b8",
                            "lessThan": "fa31bd14c5042c6315bb2182c963f03ca6e79ca4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e96094c1d11cce4deb5da3c0500d49041ab845b8",
                            "lessThan": "09f831bfe39de5b8026fefb3d106b5cc93272170",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e96094c1d11cce4deb5da3c0500d49041ab845b8",
                            "lessThan": "7980325b2f71e3f65c1323c39792e2455da6fab6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "692488941283d72362274620b9abd28109fc459f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.6.16",
                            "lessThan": "6.6.158",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.7.4",
                            "lessThan": "6.8",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/amd/pds_core/fw.c",
                        "drivers/net/ethernet/amd/pds_core/main.c"
                    ],
                    "versions": [
                        {
                            "version": "6.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.8",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.111",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.53",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.7",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }