Now that target config json is provided by rust-target-config.bbclass,
the need for the cross and crosssdk recipes is removed. Drop them and
simplify dependencies accordingly.
(From OE-Core rev: 4b54f5f52b33db4d2fe95c5faef033b6c6b37b7d)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
The code was using a mixture of XXX_SYS and RUST_XXX_SYS. Use
RUST_XXX_SYS consistently and add the variables to the global exclsion
on signatures as they're reflected in the directory triplets and trying
to filter them out the hashes separately is too painful.
(From OE-Core rev: ee0c0fdf9c1eba9eece6ed1293fda25bf18964b3)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>