iommu/amd: Fix ivrs_base memleak in early_amd_iommu_init()

Fix a permanent ACPI table memory leak in early_amd_iommu_init() when
CMPXCHG16B feature is not supported

Fixes: 82582f8 ("iommu/amd: Disable AMD IOMMU if CMPXCHG16B feature is not supported")
Cc: stable@vger.kernel.org
Signed-off-by: Zhen Ni <zhen.ni@easystack.cn>
Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20250822024915.673427-1-zhen.ni@easystack.cn
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

Author: nizhen-t

drivers/iommu/amd/init.c

@@ -3067,7 +3067,8 @@ static int __init early_amd_iommu_init(void)
 
 	if (!boot_cpu_has(X86_FEATURE_CX16)) {
 		pr_err("Failed to initialize. The CMPXCHG16B feature is required.\n");
-		return -EINVAL;
+		ret = -EINVAL;
+		goto out;
 	}
 
 	/*