ath9k_hw: Add AR9003 PHY register definitions

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index c4511b8..084b0f9 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -15,6 +15,7 @@
  */
 
 #include "hw.h"
+#include "ar9003_phy.h"
 
 /**
  * ar9003_hw_set_channel - set channel on single-chip device