sparc64: Make NUMA depend upon SMP.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index 923a989..36b4b7a 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -231,6 +231,7 @@
 
 config NUMA
 	bool "NUMA support"
+	depends on SMP
 
 config NODES_SHIFT
 	int