clearfog: fix syntax error in bridge configuration

Change-Id: Ie562ade022dea03b3d81b179cc0612e4de4ea16b
diff --git a/board/czechlight/clearfog/overlay/usr/lib/systemd/system-generators/czechlight-br0-clone-mac b/board/czechlight/clearfog/overlay/usr/lib/systemd/system-generators/czechlight-br0-clone-mac
index a87a67c..71a30d1 100755
--- a/board/czechlight/clearfog/overlay/usr/lib/systemd/system-generators/czechlight-br0-clone-mac
+++ b/board/czechlight/clearfog/overlay/usr/lib/systemd/system-generators/czechlight-br0-clone-mac
@@ -12,10 +12,10 @@
 Name=br0
 Kind=bridge
 MACAddress=${ETH0_MAC}
-HelloTimeSec=1
-ForwardDelaySec=4
 [Bridge]
 STP=1
+HelloTimeSec=1
+ForwardDelaySec=4
 EOF
 
 /bin/rm -f /run/systemd/generator/fw_printenv.lock