m32r: Use generic show_interrupts()

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index ef4c1e4..ad45b82 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -10,6 +10,7 @@
 	select HAVE_GENERIC_HARDIRQS
 	select GENERIC_HARDIRQS_NO_DEPRECATED
 	select GENERIC_IRQ_PROBE
+	select GENERIC_IRQ_SHOW
 
 config SBUS
 	bool