regulator: Fix typo in PCAP regulator_set_voltage()

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
diff --git a/drivers/regulator/pcap-regulator.c b/drivers/regulator/pcap-regulator.c
index 8dca116..31f6e11 100644
--- a/drivers/regulator/pcap-regulator.c
+++ b/drivers/regulator/pcap-regulator.c
@@ -152,7 +152,7 @@
 
 static int pcap_regulator_set_voltage(struct regulator_dev *rdev,
 				      int min_uV, int max_uV,
-				      unsiged *selector)
+				      unsigned *selector)
 {
 	struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
 	void *pcap = rdev_get_drvdata(rdev);