nios2: Remove unnecessary #ifdef guards

__HAVE_ARCH_MEMMOVE and __HAVE_ARCH_MEMSET are unconditionally defined
for nios2, so there is no need to protect the function definitions of
memmove() and memset().

Signed-off-by: Tobias Klauser <[e-mail]>
Acked-by: Ley Foon Tan <[e-mail]>

arch/nios2/lib/memmove.c

···
 #include <linux/types.h>
 #include <linux/string.h>
 
-#ifdef __HAVE_ARCH_MEMMOVE
 void *memmove(void *d, const void *s, size_t count)
 {
 	unsigned long dst, src;
···
 
 	return d;
 }
-#endif /* __HAVE_ARCH_MEMMOVE */

arch/nios2/lib/memset.c

···
 #include <linux/types.h>
 #include <linux/string.h>
 
-#ifdef __HAVE_ARCH_MEMSET
 void *memset(void *s, int c, size_t count)
 {
 	int destptr, charcnt, dwordcnt, fill8reg, wrkrega;
···
 
 	return s;
 }
-#endif /* __HAVE_ARCH_MEMSET */