[rdkb][mt7986][bsp][Refactor filogic.conf]

[Description]
Refactor filogic.conf
1. support 2.5G Lan port for DSA mode
2. add lan5 into bridge at bootup

[Release-log]

Change-Id: Ic57d0e3547467788ce9325b97c8b204b9d3d59f2
diff --git a/recipes-devtools/init-filogic/files/init-bridge.sh b/recipes-devtools/init-filogic/files/init-bridge.sh
index 58fee2e..0e63661 100644
--- a/recipes-devtools/init-filogic/files/init-bridge.sh
+++ b/recipes-devtools/init-filogic/files/init-bridge.sh
@@ -18,12 +18,14 @@
 brctl addif brlan0 lan2
 brctl addif brlan0 lan3
 brctl addif brlan0 lan4
+brctl addif brlan0 lan5
 
 ifconfig lan0 up
 ifconfig lan1 up
 ifconfig lan2 up
 ifconfig lan3 up
 ifconfig lan4 up
+ifconfig lan5 up
 fi
 ifconfig eth1 up