iwlwifi: don't include iwl-prph.h everywhere

It's only needed in a few places.

Signed-off-by: Johannes Berg <johannes.berg@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-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index f965ee3..e2d8084 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -75,6 +75,7 @@
 #include "iwl-agn.h"
 #include "iwl-eeprom.h"
 #include "iwl-io.h"
+#include "iwl-prph.h"
 
 /************************** EEPROM BANDS ****************************
  *