iwlegacy: rename remaining IWLs to ILs

Also rename config names IWLWIFI_LEGACY to IWLEGACY

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile
index c1c0678..98db7619 100644
--- a/drivers/net/wireless/Makefile
+++ b/drivers/net/wireless/Makefile
@@ -42,7 +42,7 @@
 obj-$(CONFIG_MWL8K)	+= mwl8k.o
 
 obj-$(CONFIG_IWLWIFI)	+= iwlwifi/
-obj-$(CONFIG_IWLWIFI_LEGACY)	+= iwlegacy/
+obj-$(CONFIG_IWLEGACY)	+= iwlegacy/
 obj-$(CONFIG_RT2X00)	+= rt2x00/
 
 obj-$(CONFIG_P54_COMMON)	+= p54/