EDAC/igen6: ecclog_llist can be static

Fixes: 10590a9d ("EDAC/igen6: Add EDAC driver for Intel client SoCs using IBECC")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/20201123031850.GA20416@aef56166e5fcSigned-off-by: Tony Luck <tony.luck@intel.com>

drivers/edac/igen6_edac.c

@@ -164,7 +164,7 @@ struct ecclog_node {
  * to EDAC core in a worker.
  */
 #define ECCLOG_POOL_SIZE	PAGE_SIZE
-LLIST_HEAD(ecclog_llist);
+static LLIST_HEAD(ecclog_llist);
 static struct gen_pool *ecclog_pool;
 static char ecclog_buf[ECCLOG_POOL_SIZE];
 static struct irq_work ecclog_irq_work;