hardening: x86: drop reference to removed config AMD_IOMMU_V2

Commit 5a0b11a ("iommu/amd: Remove iommu_v2 module") removes the
config AMD_IOMMU_V2.

Remove the reference to this config in the x86 architecture-specific
hardening config fragment as well.

Signed-off-by: Lukas Bulwahn <[email protected]>
Reviewed-by: Vasant Hegde <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Kees Cook <[email protected]>

Author: bulwahn

arch/x86/configs/hardening.config

@@ -9,7 +9,6 @@ CONFIG_INTEL_IOMMU=y
 CONFIG_INTEL_IOMMU_DEFAULT_ON=y
 CONFIG_INTEL_IOMMU_SVM=y
 CONFIG_AMD_IOMMU=y
-CONFIG_AMD_IOMMU_V2=y
 
 # Enable CET Shadow Stack for userspace.
 CONFIG_X86_USER_SHADOW_STACK=y