Move IOMMU capability check and sanity check code to cap_audit files.
Also implement some helper functions for sanity checks.
Signed-off-by: NKyung Min Park <kyung.min.park@intel.com>
Signed-off-by: NLu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20210130184452.31711-1-kyung.min.park@intel.com
Link: https://lore.kernel.org/r/20210204014401.2846425-4-baolu.lu@linux.intel.comSigned-off-by: NJoerg Roedel <jroedel@suse.de>