[MIPS] Remove buggy inline version of memscan.

Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

include/asm-mips/string.h

@@ -141,26 +141,4 @@ extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
 #define __HAVE_ARCH_MEMMOVE
 extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
 
-#ifdef CONFIG_32BIT
-#define __HAVE_ARCH_MEMSCAN
-static __inline__ void *memscan(void *__addr, int __c, size_t __size)
-{
-	char *__end = (char *)__addr + __size;
-	unsigned char __uc = (unsigned char) __c;
-
-	__asm__(".set\tpush\n\t"
-		".set\tnoat\n\t"
-		".set\treorder\n\t"
-		"1:\tbeq\t%0,%1,2f\n\t"
-		"addiu\t%0,1\n\t"
-		"lbu\t$1,-1(%0)\n\t"
-		"bne\t$1,%z4,1b\n"
-		"2:\t.set\tpop"
-		: "=r" (__addr), "=r" (__end)
-		: "0" (__addr), "1" (__end), "Jr" (__uc));
-
-	return __addr;
-}
-#endif /* CONFIG_32BIT */
-
 #endif /* _ASM_STRING_H */