am eefef323: Set the permissions of wifi supplicant file so that system can access it.

Merge commit 'eefef3234ae1e3b0f2db71415f134c7ec49899fa'

* commit 'eefef3234ae1e3b0f2db71415f134c7ec49899fa':
  Set the permissions of wifi supplicant file so that system can access it.