Add Kconfig dependencies for the emcraft-sf2 machine - we also
distinguish between the machine (CONFIG_EMCRAFT_SF2) and the SoC
(CONFIG_MSF2) now.
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>