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>
3 files changed