mkosi: Fix typo

Signed-off-by: Stéphane Graber <stgraber@stgraber.org>

Author: stgraber

mkosi.conf

@@ -34,7 +34,7 @@ Bootable=true
 BaseTrees=%O/base
 UnifiedKernelImages=true
 UnifiedKernelImageFormat=%i_%v
-KernelCommandLine=rw vt.handoff=1 iommu=pt intel_iommu=on amd_iommu=o quiet loglevel=0 systemd.show_status=0
+KernelCommandLine=rw vt.handoff=1 iommu=pt intel_iommu=on amd_iommu=on quiet loglevel=0 systemd.show_status=0
 KernelModulesInitrd=true
 KernelModulesInitrdExclude=.*
 KernelModulesInitrdInclude=default