Don't exit when the regulator init fails

We just disable the option

Signed-off-by: Daniel Lezcano <daniel.lezcano@free.fr>
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
diff --git a/powerdebug.c b/powerdebug.c
index 230155b..4d55f17 100644
--- a/powerdebug.c
+++ b/powerdebug.c
@@ -377,7 +377,7 @@
 	regulators_info = regulator_init(&numregulators);
 	if (!regulators_info) {
 		printf("not enough memory to allocate regulators info\n");
-		return 1;
+		options->regulators = false;
 	}
 
 	if (clock_init()) {