regulator: Set MODULE_ALIAS for regulator drivers

Several of the regulator drivers didn't have MODULE_ALIAS so couldn't be
auto loaded. Add the MODULE_ALIAS in case they do get built as modules.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
index 771eca1..17a00b0 100644
--- a/drivers/regulator/wm8350-regulator.c
+++ b/drivers/regulator/wm8350-regulator.c
@@ -1570,3 +1570,4 @@
 MODULE_AUTHOR("Liam Girdwood");
 MODULE_DESCRIPTION("WM8350 voltage and current regulator driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:wm8350-regulator");