pxe: always display a menu when present

The prompt flag is for displaying a "boot:" prompt in pxelinux. This
doesn't make sense for u-boot as we don't support the pxelinux command
interface. So we should just ignore prompt statements and always show the
menu if a menu is present.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
1 file changed