flounder: init: allow read charger chip regs debugfs file

For dumping charger state in bugreports.

Change-Id: If838a30b222ae9125baeb05e4e90e938042de837
diff --git a/init.flounder.rc b/init.flounder.rc
index 858998b..fe1f690 100644
--- a/init.flounder.rc
+++ b/init.flounder.rc
@@ -60,6 +60,8 @@
     write /sys/devices/system/cpu/cpuquiet/current_governor runnable
     write /sys/devices/system/cpu/cpuquiet/tegra_cpuquiet/enable 1
 
+    chmod 0444 /sys/kernel/debug/bq2419x-regs
+
 on fs
     mount_all /fstab.flounder
     setprop ro.crypto.fuse_sdcard true