wireless: ath9k: use %pM to print MAC

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Cc: ath9k-devel@lists.ath9k.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/htc_drv_debug.c

@@ -623,11 +623,8 @@ static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
 				pBase9287->openLoopPwrCntl);
 	}
 
-	len += snprintf(buf + len, size - len,
-			"%20s : %02X:%02X:%02X:%02X:%02X:%02X\n",
-			"MacAddress",
-			pBase->macAddr[0], pBase->macAddr[1], pBase->macAddr[2],
-			pBase->macAddr[3], pBase->macAddr[4], pBase->macAddr[5]);
+	len += snprintf(buf + len, size - len, "%20s : %pM\n", "MacAddress",
+			pBase->macAddr);
 	if (len > size)
 		len = size;