iwlwifi: move hw related defines to separate file

Multiple iwlagn based devices shared the same hw definitions.
Move device hardware related defines from iwl-5000-hw.h to iwl-agn-hw.h
file.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
index f57a4f8..f0af388 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
@@ -35,7 +35,7 @@
 #include "iwl-dev.h"
 #include "iwl-core.h"
 #include "iwl-io.h"
-#include "iwl-5000-hw.h"
+#include "iwl-agn-hw.h"
 
 /*
  * ucode
@@ -101,12 +101,12 @@
 	int ret = 0;
 
 	ret = iwlagn_load_section(priv, "INST", inst_image,
-				   IWL50_RTC_INST_LOWER_BOUND);
+				   IWLAGN_RTC_INST_LOWER_BOUND);
 	if (ret)
 		return ret;
 
 	return iwlagn_load_section(priv, "DATA", data_image,
-				    IWL50_RTC_DATA_LOWER_BOUND);
+				    IWLAGN_RTC_DATA_LOWER_BOUND);
 }
 
 int iwlagn_load_ucode(struct iwl_priv *priv)