sh: Drop dependence for 29bit mode of trigger_address_error()

When CONFIG_PMB enable, ITLB is not cleared by reset of watchdog timer.
This should use trigger_address_error().
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/include/asm/system_32.h

@@ -216,13 +216,12 @@ int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
 
 static inline void trigger_address_error(void)
 {
-	if (__in_29bit_mode())
-		__asm__ __volatile__ (
-			"ldc %0, sr\n\t"
-			"mov.l @%1, %0"
-			:
-			: "r" (0x10000000), "r" (0x80000001)
-		);
+	__asm__ __volatile__ (
+		"ldc %0, sr\n\t"
+		"mov.l @%1, %0"
+		:
+		: "r" (0x10000000), "r" (0x80000001)
+	);
 }
 
 asmlinkage void do_address_error(struct pt_regs *regs,