buildroot

sqlite: add option to disable fsync

For use-cases in which performance is more important than data integrity.

Signed-off-by: Floris Bos <bos@je-eigen-domein.nl>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>