wifi: iwlwifi: print the DSM value when read from UEFI

We have such a print for ACPI, add one for UEFI.
This is needed for testing

Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20250505215512.f419c18c064e.I870a4537a4bfa3c54b03ec7ec29bb246e6aa75cb@changeid


Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>