iwlagn: rename iwlagn module iwlwifi and alias to iwlagn.

Rename the iwlagn module as iwlwifi in preparation for future
changes.  Add an alias to iwlagn for backward compatibility.

Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index baaf486..d0fd6f0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -79,6 +79,7 @@
 MODULE_VERSION(DRV_VERSION);
 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("iwlagn");
 
 void iwl_update_chain_flags(struct iwl_priv *priv)
 {