UBUNTU: [Packaging] Fix ODM support in actual build

UBUNTU: [Packaging] Fix ODM support in actual build

BugLink: https://bugs.launchpad.net/bugs/1912789
The config update was working with the conditional entry but the actual
build is different and was just ignoring everything.

Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
(cherry picked commit from 198971108d5dfe12b9846bf0d115accc3d1c3fe8
focal)
Signed-off-by: Chia-Lin Kao (AceLan) <acelan.kao@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>