flounder: fix KGDB port

KGDB should use ttyFIQ0, not ttyFIQ2.

Change-Id: I1f4f0a5dae0824ef05dfc1d5a8700cbc83693ed7
diff --git a/init.flounder.rc b/init.flounder.rc
index ff55875..454c3a6 100644
--- a/init.flounder.rc
+++ b/init.flounder.rc
@@ -78,7 +78,7 @@
 
 # on userdebug and eng builds, enable kgdb on the serial console
 on property:ro.debuggable=1
-    write /sys/module/kgdboc/parameters/kgdboc ttyFIQ2
+    write /sys/module/kgdboc/parameters/kgdboc ttyFIQ0
     write /sys/module/fiq_debugger/parameters/kgdb_enable 1
 
 # bugreport is triggered by holding down volume down, volume up and power