powerpc/pseries: Enable relay in pseries_defconfig

Enable relay in pseries config, ppc64_defconfig had it enabled but pseries
did not.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index 61b1008..f1889ab 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -95,7 +95,7 @@
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
 CONFIG_PROC_PID_CPUSET=y
-# CONFIG_RELAY is not set
+CONFIG_RELAY=y
 CONFIG_NAMESPACES=y
 # CONFIG_UTS_NS is not set
 # CONFIG_IPC_NS is not set