common/board_f: enable initr_trap for MIPS

Enable initr_trap hook also for MIPS to install and enable
U-Boot's specific MIPS exception handlers.

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

common/board_r.c

@@ -191,7 +191,7 @@ static int initr_serial(void)
 	return 0;
 }
 
-#if defined(CONFIG_PPC) || defined(CONFIG_M68K)
+#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS)
 static int initr_trap(void)
 {
 	/*
@@ -807,7 +807,7 @@ init_fnc_t init_sequence_r[] = {
 #ifdef CONFIG_NEEDS_MANUAL_RELOC
 	initr_manual_reloc_cmdtable,
 #endif
-#if defined(CONFIG_PPC) || defined(CONFIG_M68K)
+#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS)
 	initr_trap,
 #endif
 #ifdef CONFIG_ADDR_MAP