sparc: Use generic show_interrupts()

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: sparclinux@vger.kernel.org
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 9efd30f..14b2346 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -52,6 +52,7 @@
 	select PERF_USE_VMALLOC
 	select HAVE_GENERIC_HARDIRQS
 	select GENERIC_HARDIRQS_NO_DEPRECATED
+	select GENERIC_IRQ_SHOW
 	select IRQ_PREFLOW_FASTEOI
 
 config ARCH_DEFCONFIG