FRV: Use generic show_interrupts()

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David Howells <dhowells@redhat.com>
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
index 3824132..6db8aea 100644
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -6,6 +6,7 @@
 	select HAVE_IRQ_WORK
 	select HAVE_PERF_EVENTS
 	select HAVE_GENERIC_HARDIRQS
+	select GENERIC_IRQ_SHOW
 	select GENERIC_HARDIRQS_NO_DEPRECATED
 
 config ZONE_DMA