If optional .mk variable 'ship_extras_package' is explicitly set to false,
then do not construct the linux-image-extra package; instead just log all
of the "extra" modules which were pointlessly built yet won't be shipped.
This feature may be useful for config debugging and for custom kernel
development.

BugLink: http://bugs.launchpad.net/bugs/1764794Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Acked-by: Tim Gardner <tim.gardner@canonical.com>
Acked-by: Brad Figg <brad.figg@canonical.com>

(cherry-picked from commit f16de3c17fcbbcf01c81f2897e4b8fe4a5ca470c bionic)
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>