iwlagn: rename iwl-rx.c to iwl-agn-rx.c

After driver split, there were no shared functions between agn and legacy;
rename iwl-rx.c to iwl-agn-rx.c
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/Makefile

@@ -3,10 +3,10 @@ obj-$(CONFIG_IWLWIFI)	+= iwlwifi.o
 iwlwifi-objs		:= iwl-agn.o iwl-agn-rs.o
 iwlwifi-objs		+= iwl-agn-ucode.o iwl-agn-tx.o
 iwlwifi-objs		+= iwl-agn-lib.o iwl-agn-calib.o iwl-io.o
-iwlwifi-objs		+= iwl-agn-tt.o iwl-agn-sta.o
+iwlwifi-objs		+= iwl-agn-tt.o iwl-agn-sta.o iwl-agn-rx.o
 
 iwlwifi-objs		+= iwl-core.o iwl-eeprom.o iwl-power.o
-iwlwifi-objs		+= iwl-rx.o iwl-scan.o iwl-led.o
+iwlwifi-objs		+= iwl-scan.o iwl-led.o
 iwlwifi-objs		+= iwl-agn-rxon.o
 iwlwifi-objs		+= iwl-5000.o
 iwlwifi-objs		+= iwl-6000.o