build/base: add DNS tools
build/base: add DNS tools

In base, install basic DNS tools, which contain for example nslookup
binary.

Signed-off-by: Emilien Macchi <d605a501dec15c980af71d9dfebf4b595ab6da1f@enovance.com>

lebauce/edeploy,enovance/edeploy,enovance/edeploy,lebauce/edeploy,enovance/edeploy,redhat-cip/edeploy,lebauce/edeploy,redhat-cip/edeploy,redhat-cip/edeploy,lebauce/edeploy,enovance/edeploy,redhat-cip/edeploy