Pass options to init functions.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
diff --git a/regulator.c b/regulator.c
index b38ddab..549a744 100644
--- a/regulator.c
+++ b/regulator.c
@@ -265,10 +265,13 @@
 	.display = regulator_display,
 };
 
-int regulator_init(void)
+int regulator_init(struct powerdebug_options *options)
 {
 	int ret = 0;
 
+	if (!(options->flags & REGULATOR_OPTION))
+		return 0;
+
 	ret = display_register(REGULATOR, &regulator_ops);
 	if (ret)
 		printf("error: regulator display register failed");