iommu/amd: Fix section mismatch warning

The variable amd_iommu_pre_enabled is used in non-init
code-paths, so remove the __initdata annotation.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Fixes: 3ac3e5ee5ed56 ('iommu/amd: Copy old trans table from old kernel')
Acked-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

drivers/iommu/amd_iommu_init.c

@@ -264,7 +264,7 @@ static int amd_iommu_enable_interrupts(void);
 static int __init iommu_go_to_state(enum iommu_init_state state);
 static void init_device_table_dma(void);
 
-static bool __initdata amd_iommu_pre_enabled = true;
+static bool amd_iommu_pre_enabled = true;
 
 bool translation_pre_enabled(struct amd_iommu *iommu)
 {