Update led manager to consume DutyOn and Period values

Previous code only considered the Name and Action for the LED but then
DutyOn and Period are also the properties that are associated with LED
and this patchset handles that.

Change-Id: Ifb57719ed3bcf01a4704618089d9ce676e4b951c
Signed-off-by: Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com>
diff --git a/ledlayout.hpp b/ledlayout.hpp
index d3d0e40..998feb5 100644
--- a/ledlayout.hpp
+++ b/ledlayout.hpp
@@ -28,6 +28,8 @@
     {
         std::string name;
         Action action;
+        uint8_t dutyOn;
+        uint16_t period;
 
         // Needed for inserting elements into sets
         bool operator<(const LedAction& right) const