regulator: max8998 - set max8998->num_regulators

Set max8998->num_regulators = pdata->num_regulators,
otherwise it's default value is 0.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c
index fbcb385..8b9bfdf 100644
--- a/drivers/regulator/max8998.c
+++ b/drivers/regulator/max8998.c
@@ -558,6 +558,7 @@
 
 	rdev = max8998->rdev;
 	max8998->iodev = iodev;
+	max8998->num_regulators = pdata->num_regulators;
 	platform_set_drvdata(pdev, max8998);
 
 	for (i = 0; i < pdata->num_regulators; i++) {