regulator: pf8x00: Fix typo for PF8200 chip name

Trivial typo fix.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Adrien Grassein <adrien.grassein@gmail.com>
Link: https://lore.kernel.org/r/20210128120151.554411-1-axel.lin@ingics.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/pf8x00-regulator.c

@@ -399,7 +399,7 @@ static int pf8x00_identify(struct pf8x00_chip *chip)
 		name = "PF8121A";
 		break;
 	case PF8200:
-		name = "PF8100";
+		name = "PF8200";
 		break;
 	default:
 		dev_err(chip->dev, "Unknown pf8x00 device id 0x%x\n", dev_id);