regulator: Fix parameter declaration and spelling mistake.

Use Complete data type declaration of 'sel' in ti_abb_set_voltage_sel().
Fix spelling of 'are'nt' in comments.
Signed-off-by: Zhang Jiaming <jiaming@nfschina.com>
Link: https://lore.kernel.org/r/20220705071445.21124-1-jiaming@nfschina.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/ti-abb-regulator.c

@@ -309,7 +309,7 @@ static int ti_abb_set_opp(struct regulator_dev *rdev, struct ti_abb *abb,
  *
  * Return: 0 on success or appropriate error value when fails
  */
-static int ti_abb_set_voltage_sel(struct regulator_dev *rdev, unsigned sel)
+static int ti_abb_set_voltage_sel(struct regulator_dev *rdev, unsigned int sel)
 {
 	const struct regulator_desc *desc = rdev->desc;
 	struct ti_abb *abb = rdev_get_drvdata(rdev);
@@ -344,7 +344,7 @@ static int ti_abb_set_voltage_sel(struct regulator_dev *rdev, unsigned sel)
 
 	info = &abb->info[sel];
 	/*
-	 * When Linux kernel is starting up, we are'nt sure of the
+	 * When Linux kernel is starting up, we aren't sure of the
 	 * Bias configuration that bootloader has configured.
 	 * So, we get to know the actual setting the first time
 	 * we are asked to transition.