Finalized changing the 286-based systems to have an "internal ide" controller; these machines now have to select the desired HD controller from the menu. The Samsung 286 machine also needs its upper 384K remapped. Added machine_at_scat_remap() to implement thjs for SCAT-based boards.

src/machine/machine_at_neat.c

@@ -83,10 +83,7 @@ static void neat_init(void)
 
 void machine_at_neat_init(void)
 {
-#ifdef WALTJE
         machine_at_init();
-#else
-        machine_at_ide_init();
-#endif
+
         neat_init();
 }