The /var/ dir sometimes are mount on volatile device, which will cause
problem, so add an option to change it to a more safe place.
To enable it, please add the following line into a conf file.
PACKAGECONFIG_append_pn-python-smartpm = " change-data-dir"
Signed-off-by: fli <fupan.li@windriver.com>
Signed-off-by: Guojian Zhou <guojian.zhou@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>