libfido2: backport hidraw(4) support
PR: 273596
Submitted by: David Horn
Obtained from: libfido2 2c9dfaae2a56, 930160388700
(cherry picked from commit 1843dfb05ed80149f5a412180af882e3cb8f451b)
(cherry picked from commit 3df74eecfdecbafe55838b45141c275754d526bb)
Approved by: re (gjb)