docs: Add documentation about CDI support #16474

Job	Run time
check_md_wf_files	0s
test_suite_tag	0s
test_suite_master / Determine best available runner	1s
get_run_id	0s
test_suite_pr	0s
test_suite_master / Smoke tests (ext4, true)	36m 51s
test_suite_master / Smoke tests (ext4, false)	16m 36s
test_suite_master / EVE upgrade test suite (ext4)	41m 13s
test_suite_master / Smoke tests (zfs, true)	43m 31s
test_suite_master / LPS LOC test suite	13m 35s
test_suite_master / EVE upgrade test suite (zfs)	54m 56s
test_suite_master / Networking test suite	29m 38s
test_suite_master / Smoke tests (zfs, false)	39m 44s
test_suite_master / Storage test suite (ext4)	28m 1s
test_suite_master / User apps test suite	30m 19s
test_suite_master / Storage test suite (zfs)	11m 9s
test_suite_master / Virtualization test suite	26m 45s
	6h 12m 19s

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