move recipes/{rust,cargo} to recipes-devtools

This better matches where upstream puts compilers and development
utilities.

recipes-devtools/rust/rustlib.bb

@@ -0,0 +1,24 @@
+SUMMARY = "Rust runtime libaries"
+HOMEPAGE = "http://www.rust-lang.org"
+SECTION = "devel"
+LICENSE = "MIT | Apache-2.0"
+
+inherit rust-bin
+
+DEPENDS += "virtual/${TARGET_PREFIX}rust"
+RUSTLIB_DEP = ""
+
+do_install () {
+	for f in ${STAGING_DIR_NATIVE}/${rustlib}/*.so; do
+		echo Installing $f
+		install -D -m 755 $f ${D}/${rustlib}/$(basename $f)
+	done
+}
+
+# This has no license file
+python do_qa_configure() {
+        return True
+}
+
+FILES_${PN} += "${rustlib}/*.so"
+FILES_${PN}-dbg += "${rustlib}/.debug"