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

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
diff --git a/drivers/net/wireless/iwlegacy/Makefile b/drivers/net/wireless/iwlegacy/Makefile
index d402496..0f51f9d 100644
--- a/drivers/net/wireless/iwlegacy/Makefile
+++ b/drivers/net/wireless/iwlegacy/Makefile
@@ -1,5 +1,5 @@
 obj-$(CONFIG_IWLEGACY)	+= iwl-legacy.o
-iwl-legacy-objs 		:= iwl-core.o iwl-eeprom.o iwl-hcmd.o iwl-power.o
+iwl-legacy-objs 		:= common.o iwl-eeprom.o iwl-hcmd.o iwl-power.o
 iwl-legacy-objs 		+= iwl-rx.o iwl-tx.o iwl-sta.o
 iwl-legacy-objs 		+= iwl-scan.o iwl-led.o
 iwl-legacy-$(CONFIG_IWLEGACY_DEBUGFS) += iwl-debugfs.o
diff --git a/drivers/net/wireless/iwlegacy/iwl-core.c b/drivers/net/wireless/iwlegacy/common.c
similarity index 100%
rename from drivers/net/wireless/iwlegacy/iwl-core.c
rename to drivers/net/wireless/iwlegacy/common.c