gpio: ts4900: Fix comment formatting and grammar

The issues were pointed out after the prior commit was applied.
Signed-off-by: Kris Bahnsen <kris@embeddedTS.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>

drivers/gpio/gpio-ts4900.c

@@ -55,8 +55,9 @@ static int ts4900_gpio_direction_input(struct gpio_chip *chip,
 {
 	struct ts4900_gpio_priv *priv = gpiochip_get_data(chip);
 
-	/* Only clear the OE bit here, requires a RMW. Prevents potential issue
-	 * with OE and data getting to the physical pin at different times.
+	/*
+	 * Only clear the OE bit here, requires a RMW. Prevents a potential issue
+	 * with OE and DAT getting to the physical pin at different times.
 	 */
 	return regmap_update_bits(priv->regmap, offset, TS4900_GPIO_OE, 0);
 }
@@ -68,9 +69,10 @@ static int ts4900_gpio_direction_output(struct gpio_chip *chip,
 	unsigned int reg;
 	int ret;
 
-	/* If changing from an input to an output, we need to first set the
-	 * proper data bit to what is requested and then set OE bit. This
-	 * prevents a glitch that can occur on the IO line
+	/*
+	 * If changing from an input to an output, we need to first set the
+	 * GPIO's DAT bit to what is requested and then set the OE bit. This
+	 * prevents a glitch that can occur on the IO line.
 	 */
 	regmap_read(priv->regmap, offset, &reg);
 	if (!(reg & TS4900_GPIO_OE)) {