kc1: Power off when the power on reason is not a valid one

Some power on reasons are not desirable (e.g. too short press on the power
button), battery plug. Thus, power off the device when one of those occurs.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
diff --git a/include/configs/kc1.h b/include/configs/kc1.h
index 04cb320..c2ac148 100644
--- a/include/configs/kc1.h
+++ b/include/configs/kc1.h
@@ -105,6 +105,12 @@
 #define CONFIG_TWL6030_POWER
 
 /*
+ * Input
+ */
+
+#define CONFIG_TWL6030_INPUT
+
+/*
  * Partitions
  */