tiny-init: Stop using S == WORKDIR

(From meta-yocto rev: 48fbd32e201667de886b9d5c14807d3958152482)

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

meta-poky/recipes-core/tiny-init/tiny-init.bb

@@ -11,7 +11,8 @@ SRC_URI = "file://init \
 	   file://rc.local.sample \
 	  "
 
-S = "${WORKDIR}"
+S = "${WORKDIR}/sources"
+UNPACKDIR = "${S}"
 
 do_configure() {
 	:
@@ -23,8 +24,8 @@ do_compile() {
 
 do_install() {
 	install -d ${D}${sysconfdir}
-	install -m 0755 ${WORKDIR}/init ${D}
-	install -m 0755 ${WORKDIR}/rc.local.sample ${D}${sysconfdir}
+	install -m 0755 ${S}/init ${D}
+	install -m 0755 ${S}/rc.local.sample ${D}${sysconfdir}
 }
 
 FILES:${PN} = "/init ${sysconfdir}/rc.local.sample"