Enable perflocks from power HAL

Change-Id: Ie710023d0ac258b5450f7764483c5ad732dfbe09
Add missing eri.xml file to overlays

Change-Id: I586d7ad0cb9e7ba41f5a87c875138c4aaf0f6a6d
g2: mount options to improve performance

* also tidy up fstab

Change-Id: Ia87fd0d52c6dc49f52420a1d78a61e4221a6aee5
Signed-off-by: houstonn <houstonn@gmail.com>