cris: remove unused __dummy, CONST_ADDR and ADDR from bitops.h

This is very old code, it hasn't changed since 2001 and it is not used
anywhere. Noticed by Clemens Koller.

Signed-off-by: Jesper Nilsson <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

include/asm-cris/bitops.h

···
 #include <linux/compiler.h>
 
 /*
- * Some hacks to defeat gcc over-optimizations..
- */
-struct __dummy { unsigned long a[100]; };
-#define ADDR (*(struct __dummy *) addr)
-#define CONST_ADDR (*(const struct __dummy *) addr)
-
-/*
  * set_bit - Atomically set a bit in memory
  * @nr: the bit to set
  * @addr: the address to start counting from