conf: add ignoreDbusMinMax option

Add an optional field to the sensor configuration, s.t. it'll tell a
dbus passive sensor to ignore the MinValue and MaxValue properties from
dbus.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: Ia6a8c802c2dc5bf41e5e860b21d7764cc09e6b6b
diff --git a/conf.hpp b/conf.hpp
index 95bdeaa..559afaa 100644
--- a/conf.hpp
+++ b/conf.hpp
@@ -24,6 +24,7 @@
     int64_t min;
     int64_t max;
     int64_t timeout;
+    bool ignoreDbusMinMax;
 };
 
 /*