tulip: Convert to generic boolean

Signed-off-by: Richard Knutsson <ricknu-0@student.ltu.se>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/net/tulip/de4x5.h

@@ -892,15 +892,6 @@
 #define ALL                  0     /* Clear out all the setup frame */
 #define PHYS_ADDR_ONLY       1     /* Update the physical address only */
 
-/*
-** Booleans
-*/
-#define NO                   0
-#define FALSE                0
-
-#define YES                  ~0
-#define TRUE                 ~0
-
 /*
 ** Adapter state
 */