ath6kl: Fix missing gpio pin 9 configuration

GPIO pin 9 also needs to be configured along with other gpio
pins to avoid sdio crc errors. I've not experienced any issue
with missing this particular gpio pin configuration, found dunring
code review. This can potentially improve rx performance.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath6kl/init.c

@@ -1392,6 +1392,12 @@ static int ath6kl_init_upload(struct ath6kl *ar)
 	    ar->version.target_ver == AR6003_HW_2_1_1_VERSION) {
 		ath6kl_err("temporary war to avoid sdio crc error\n");
 
+		param = 0x28;
+		address = GPIO_BASE_ADDRESS + GPIO_PIN9_ADDRESS;
+		status = ath6kl_bmi_reg_write(ar, address, param);
+		if (status)
+			return status;
+
 		param = 0x20;
 
 		address = GPIO_BASE_ADDRESS + GPIO_PIN10_ADDRESS;

drivers/net/wireless/ath/ath6kl/target.h

@@ -45,6 +45,7 @@
 #define LPO_CAL_ENABLE_S		20
 #define LPO_CAL_ENABLE			0x00100000
 
+#define GPIO_PIN9_ADDRESS		0x0000004c
 #define GPIO_PIN10_ADDRESS		0x00000050
 #define GPIO_PIN11_ADDRESS		0x00000054
 #define GPIO_PIN12_ADDRESS		0x00000058