[MIPS] Fix typo of "CONFIG_MT_SMP".

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/mips-boards/sim/sim_setup.c

@@ -57,7 +57,7 @@ void __init plat_mem_setup(void)
 	board_time_init = sim_time_init;
 	prom_printf("Linux started...\n");
 
-#ifdef CONFIG_MT_SMP
+#ifdef CONFIG_MIPS_MT_SMP
 	sanitize_tlb_entries();
 #endif
 }