iwlegacy: rename iwl-core.h to common.h

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
diff --git a/drivers/net/wireless/iwlegacy/4965-rs.c b/drivers/net/wireless/iwlegacy/4965-rs.c
index 4809a9d..06f5beb 100644
--- a/drivers/net/wireless/iwlegacy/4965-rs.c
+++ b/drivers/net/wireless/iwlegacy/4965-rs.c
@@ -37,7 +37,7 @@
 
 #include "iwl-dev.h"
 #include "iwl-sta.h"
-#include "iwl-core.h"
+#include "common.h"
 #include "4965.h"
 
 #define IL4965_RS_NAME "iwl-4965-rs"