ASoC: qcom: Fix uninitialized pointer dmactl

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "sound/soc/qcom/lpass-cdc-dma.c"
                    ],
                    "versions": [
                        {
                            "version": "b81af585ea54ee9f749391e594ee9cbd44061eae",
                            "lessThan": "3301f5513e668d47514f32b0fea39e85b1152010",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b81af585ea54ee9f749391e594ee9cbd44061eae",
                            "lessThan": "99adc8b4d2f38bf0d06483ec845bc48f60c3f8cf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b81af585ea54ee9f749391e594ee9cbd44061eae",
                            "lessThan": "d5a7726e6ea62d447b79ab5baeb537ea6bdb225b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b81af585ea54ee9f749391e594ee9cbd44061eae",
                            "lessThan": "1382d8b55129875b2e07c4d2a7ebc790183769ee",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "sound/soc/qcom/lpass-cdc-dma.c"
                    ],
                    "versions": [
                        {
                            "version": "5.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.191",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.21",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.7.9",
                            "lessThanOrEqual": "6.7.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.8",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }