Add pxe_loader to host REST
Add the field `pxe_loader` to the GET part of the hosts/It is possible to set or update (POST, UPDATE), but not to read it
(cherry picked from commit b9f27ad9cb25862180793820eee5210cdc49ff75)
Add pxe_loader to host REST
Add the field `pxe_loader` to the GET part of the hosts/
It is possible to set or update (POST, UPDATE), but not to read it
(cherry picked from commit b9f27ad9cb25862180793820eee5210cdc49ff75)