ath9k_hw: add LDPC support for AR9003

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 9d3796a..7ce5420 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -179,6 +179,7 @@
 	ATH9K_HW_CAP_4KB_SPLITTRANS             = BIT(16),
 	ATH9K_HW_CAP_EDMA			= BIT(17),
 	ATH9K_HW_CAP_RAC_SUPPORTED		= BIT(18),
+	ATH9K_HW_CAP_LDPC			= BIT(19),
 };
 
 enum ath9k_capability_type {