recipes: Update S = WORKDIR recipes to use ${S} correctly

Where recipes use S = ${WORKDIR}, ensure they are referencing ${S} correctly
to access files as soon we want to stop doing this in WORKDIR at which point
they would break unless corrected.

(From OE-Core rev: f25dd633fffe6560f191526d1869e657e129bad9)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/icecc-create-env/icecc-create-env_0.1.bb

@@ -30,7 +30,7 @@ S = "${WORKDIR}"
 
 do_install() {
     install -d ${D}/${bindir}
-    install -m 0755 ${WORKDIR}/icecc-create-env ${D}/${bindir}
+    install -m 0755 ${S}/icecc-create-env ${D}/${bindir}
 }
 
 BBCLASSEXTEND = "native nativesdk"