ath9k: Fix typo in chip version check

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c
index ab15e55..baa7a7e 100644
--- a/drivers/net/wireless/ath9k/hw.c
+++ b/drivers/net/wireless/ath9k/hw.c
@@ -2255,7 +2255,7 @@
 		return -EINVAL;
 	}
 
-	if (AR_SREV_9280(ah)) {
+	if (AR_SREV_9280_10_OR_LATER(ah)) {
 		REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
 			    AR_GPIO_JTAG_DISABLE);