elementary: install uncompiled data/ into $docdir when cross compiling

e17/elementary/elementary.conf

@@ -13,3 +13,18 @@
 # --- SDE-COPYRIGHT-NOTE-END ---
 
 var_append extraconfopt ' ' '--with-eet-eet=eet'
+
+if atstage cross; then
+	# we don't have edje_cc here, so pass this ball to runtime
+	install_raw_themes() {
+		local ext= f= d="$root$docdir"
+		for ext in desktop edc gif jpg png; do
+			find data/ -type f -name *.$ext | while read f; do
+				mkdir -p "$d/${f%/*}"
+				cp "$f" "$d/$f"
+			done
+		done
+	}
+
+	hook_add postmake 5 'install_raw_themes'
+fi