updatehub-image-tasks.bbclass: Set default server
updatehub-image-tasks.bbclass: Set default server

This sets the default upload server to https://api.updatehub.io.

Signed-off-by: Otavio Salvador <1d31b11c1b92bf5d043d36edfe7174db39a6b891@ossystems.com.br>

UpdateHub/meta-updatehub,UpdateHub/meta-updatehub,fbertux/meta-updatehub,fbertux/meta-updatehub,UpdateHub/meta-updatehub,fbertux/meta-updatehub