Rename other disk drivers which needed rdisk.

Delete device names from all the drivers.
Move device inslude files from include/sys to include/machine directory.
Only include files which have something useful for user layer
(like special ioctls codes) should be placed into sys.

src/cmd/Makefile

@@ -11,7 +11,7 @@ CFLAGS          += -Werror
 # Programs that live in subdirectories, and have makefiles of their own.
 # /bin
 SUBDIR		= adb adc-demo aout ar as awk basic calendar cc chflags \
-                  chpass cpp dc devupdate diff emg env fdisk find fold forth \
+                  chpass cpp dc diff emg env fdisk find fold forth \
                   fstat glcdtest hostname id la lcc lcpp ld ls login make \
                   man md5 med more nm passwd pdc picoc portio printf pwm \
                   ranlib re renice retroforth scm sed setty sh sl smallc \

src/cmd/adc-demo/adc-demo.c

@@ -1,7 +1,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <fcntl.h>
-#include <sys/adc.h>
+#include <machine/adc.h>
 #include <unistd.h>
 
 int fd[16];