!1306 [sync] PR-1297: iommu/iova: move IOVA_MAX_GLOBAL_MAGS outside of IOMMU_SUPPORT

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/1297 
 
PR sync from: Zhang Zekun <zhangzekun11@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/62KOPQGPH57KOUCLU3BZ6ECRRXYWU4HB/ 
 
 
Link:https://gitee.com/openeuler/kernel/pulls/1306 

Reviewed-by: Weilong Chen <chenweilong@huawei.com> 
Reviewed-by: Zheng Zengkai <zhengzengkai@huawei.com> 
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> 

drivers/iommu/Kconfig

@@ -437,6 +437,9 @@ config SMMU_BYPASS_DEV
 
 	  This feature will be replaced by ACPI IORT RMR node, which will be
 	  upstreamed in mainline.
+
+endif # IOMMU_SUPPORT
+
 config IOVA_MAX_GLOBAL_MAGS
 	int "Set the max iova global magzines in iova rcache"
 	range 16 2048
@@ -446,6 +449,3 @@ config IOVA_MAX_GLOBAL_MAGS
 	  it can be a bottle neck when lots of cpus are contending to use it.
 	  If you are suffering from the speed of allocing iova with more than
 	  128 cpus, try to tune this config larger.
-
-
-endif # IOMMU_SUPPORT