iucode-tool: rewrite init script

- Indent with tabs.
- Use a function for start.
- Pass "-q" to iucode_tool to inhibit usual output that would otherwise
  interfere with the operation status report.

Signed-off-by: Carlos Santos <casantos@datacom.com.br>
[Peter: drop dummy function with sed invocation not compatible with busybox]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/iucode-tool/S00iucode-tool

@@ -5,19 +5,24 @@
 
 MICROCODE_DIR="/lib/firmware/intel-ucode"
 
+start() {
+	printf 'Starting iucode-tool: '
+	/usr/sbin/iucode_tool -q -k "$MICROCODE_DIR"
+	status="$?"
+	if [ "$status" = 0 ]; then
+		echo "OK"
+	else
+		echo "FAIL"
+	fi
+	return "$status"
+}
+
 case "$1" in
-  start)
-	echo "Starting iucode-tool:"
-	/usr/sbin/iucode_tool -k "$MICROCODE_DIR"
-	echo "done"
-	;;
-  stop)
-	;;
-  restart|reload)
-	;;
-  *)
-	echo "Usage: $0 {start|stop|restart}"
-	exit 1
+	start)
+		start;;
+	stop|restart|reload)
+		;;
+	*)
+		echo "Usage: $0 {start|stop|restart|reload}"
+		exit 1
 esac
-
-exit $?