ansible_bootstrap_configs.rst is available in 2 DS contexts but its reference to
_migrate-platform-certificates-to-use-cert-manager-c0b1727e4e5d: is not. Use
_myincludes to define different values in each context.
Change-Id: I009db0aa752411ce448fd0adb52fb9f92358ed89
Signed-off-by: Ron Stone <ronald.stone@windriver.com>