sparc64: Convert to generic helpers for IPI function calls.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index 794d22f..1aeb1da 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -16,6 +16,7 @@
 	select HAVE_IDE
 	select HAVE_LMB
 	select HAVE_ARCH_KGDB
+	select USE_GENERIC_SMP_HELPERS if SMP
 
 config GENERIC_TIME
 	bool