Dependency for python3-cryptography 3.4.x+
Only native rustc is supported at this time in oe-core,
therefore it makes no sense to try to build for target.
Signed-off-by: Tim Orling <tim.orling@konsulko.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Trevor Gamblin <trevor.gamblin@windriver.com>
