regulator: Fix trivial spelling

The word 'descriptor' is misspelled throughout the tree.

Fix it up accordingly:
    decriptors -> descriptors
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Link: https://lore.kernel.org/r/20200609124610.3445662-10-kieran.bingham+renesas@ideasonboard.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/fixed.c

@@ -210,7 +210,7 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev)
 
 	/*
 	 * The signal will be inverted by the GPIO core if flagged so in the
-	 * decriptor.
+	 * descriptor.
 	 */
 	if (config->enabled_at_boot)
 		gflags = GPIOD_OUT_HIGH;