ath9k: Fix programming SYNTH4 for AR9462

The LONG_SHIFT_SELECT offset is different for AR9462 from
the other chip families. Fix this.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/ar9003_phy.h

@@ -625,8 +625,8 @@
 #define AR_PHY_AIC_STAT_2_B0	(AR_SM_BASE + 0x4cc)
 
 #define AR_PHY_65NM_CH0_SYNTH4      0x1608c
-#define AR_PHY_SYNTH4_LONG_SHIFT_SELECT   0x00000002
-#define AR_PHY_SYNTH4_LONG_SHIFT_SELECT_S 1
+#define AR_PHY_SYNTH4_LONG_SHIFT_SELECT   (AR_SREV_9462(ah) ? 0x00000001 : 0x00000002)
+#define AR_PHY_SYNTH4_LONG_SHIFT_SELECT_S (AR_SREV_9462(ah) ? 0 : 1)
 #define AR_PHY_65NM_CH0_SYNTH7      0x16098
 #define AR_PHY_65NM_CH0_BIAS1       0x160c0
 #define AR_PHY_65NM_CH0_BIAS2       0x160c4