regulator: mt6311: Modify the maximum voltage of buck.

The maximum voltage of buck should be 1.39375V.
1.39375V = 0.6V + 0.00625V * 127, 127 is the max_sel of linear range.
Reported-by: Axel Lin <axel.lin@ingics.com>
signed-off-by: Henry Chen <henryc.chen@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/mt6311-regulator.c

@@ -34,7 +34,7 @@ static const struct regmap_config mt6311_regmap_config = {
 
 /* Default limits measured in millivolts and milliamps */
 #define MT6311_MIN_UV		600000
-#define MT6311_MAX_UV		1400000
+#define MT6311_MAX_UV		1393750
 #define MT6311_STEP_UV		6250
 
 static const struct regulator_linear_range buck_volt_range[] = {