ath9k: Set TSF fix

The old code doesn't work correctly e.g. on newer chipsets like AR5418+AR2122 and AR5416+AR2133.
Signed-off-by: Alina Friedrichsen <x-alina@gmx.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath9k/hw.c

@@ -3780,9 +3780,8 @@ u64 ath9k_hw_gettsf64(struct ath_hw *ah)
 
 void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64)
 {
-	REG_WRITE(ah, AR_TSF_L32, 0x00000000);
-	REG_WRITE(ah, AR_TSF_U32, (tsf64 >> 32) & 0xffffffff);
 	REG_WRITE(ah, AR_TSF_L32, tsf64 & 0xffffffff);
+	REG_WRITE(ah, AR_TSF_U32, (tsf64 >> 32) & 0xffffffff);
 }
 
 void ath9k_hw_reset_tsf(struct ath_hw *ah)