add build/ and poky/ to ignore
add build/ and poky/ to ignore

Since we have some helper scripts to build poky in the top level here
for testing then we should ignore build/ and poky/

jmesmon/meta-rust,meta-rust/meta-rust,starlab-io/meta-rust,jmesmon/meta-rust,jmesmon/meta-rust,meta-rust/meta-rust,cardoe/meta-rust,cardoe/meta-rust,jmesmon/meta-rust,meta-rust/meta-rust,meta-rust/meta-rust,cardoe/meta-rust,meta-rust/meta-rust,cardoe/meta-rust,starlab-io/meta-rust