gcc-cross-canadian: Add nativesdk-zstd dependency
To match the changes to gcc-cross, add a nativesdk-zstd dependency to ensure
our configurations match.
(From OE-Core rev: c145e00710fe557b5a3832fdc556ad53434b3615)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>