Revert meta-rust-bin to pre-whinlatter commit

kvinwang · kvinwang · commit 48dd3df6f443 · 2026-03-17T02:37:24.000Z
The whinlatter support commit changed WORKDIR to UNPACKDIR in
cargo-bin-cross.inc, which is incompatible with our Scarthgap poky.
diff --git a/meta-rust-bin b/meta-rust-bin
@@ -1 +1 @@
-Subproject commit ba71513cb15652c289409da887c4f1660f359ddd
+Subproject commit 79c077fac9694eb5fbcee7b15e800c21e887bb5d
