[PATCH -next] powerpc/opalcore: Fix symbol undeclared warning

[Wang Wensheng]

Build kernel with `C=2`:
arch/powerpc/platforms/powernv/opal-core.c:74:16: warning: symbol
'mpipl_kobj' was not declared. Should it be static?

Signed-off-by: Wang Wensheng <wangwensheng4@xxxxxxxxxx>
---
 arch/powerpc/platforms/powernv/opal-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/powernv/opal-core.c b/arch/powerpc/platforms/powernv/opal-core.c
index 6dba3b62269f..c25f9f254f05 100644
--- a/arch/powerpc/platforms/powernv/opal-core.c
+++ b/arch/powerpc/platforms/powernv/opal-core.c
@@ -71,7 +71,7 @@ static LIST_HEAD(opalcore_list);
 static struct opalcore_config *oc_conf;
 static const struct opal_mpipl_fadump *opalc_metadata;
 static const struct opal_mpipl_fadump *opalc_cpu_metadata;
-struct kobject *mpipl_kobj;
+static struct kobject *mpipl_kobj;
 
 /*
  * Set crashing CPU's signal to SIGUSR1. if the kernel is triggered
-- 
2.25.0