firmware: qcom: scm: Fix NULL dereference in IRQ handler before __scm is published

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                        "drivers/firmware/qcom/qcom_scm-smc.c",
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                    "programFiles": [
                        "drivers/firmware/qcom/qcom_scm-smc.c",
                        "drivers/firmware/qcom/qcom_scm.c",
                        "drivers/firmware/qcom/qcom_scm.h"
                    ],
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