Use HobAltButton, rather than gtk.LinkButton, for the 'View files'
button.
Use xdg-open to display the folders contents.
(From Poky rev: 22955b47ac485e0d069ddd8301a11658d76bcfee)
(Bitbake rev: 9647c188c0d06ec045c15281eae785e935c25d2b)
Signed-off-by: Joshua Lock <josh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>