ndctl: release v80

ndctl: release v80

This release incorporates functionality up through the 6.11 kernel.

Highlights include support for listing CXL media-errors, usability
fixups in daxctl create-device, the addition of firmware revision
in CXL memdev listings, and misc unit test and build fixes.

Commands:
cxl-list: add --media-errors option
cxl-list: always emit memdev firmware revision
daxctl: fail create-device with extra parameters
daxctl: remove unused options from create-device usage message
ndctl load-keys: stop leaking file descriptors upon error

Tests:
cxl-poison.sh: new unit test
cxl-events.sh: add test case for region info
daxctl-create.sh: use bash math syntax to find available size
daxctl-create.sh: use CXL DAX regions instead of efi_fake_mem
rescan-partitions.sh: refine search for created partition

API:
cxl_memdev_trigger_poison_list
cxl_region_trigger_poison_list