Add timer skeleton

This patchset creates the timer infrastructure that is then
used by soft power off object on user requests.

Change-Id: I6f7a5c161999fda89471f453c24725efddac65b9
Signed-off-by: Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com>
diff --git a/softoff/softoff.cpp b/softoff/softoff.cpp
index bd6a72d..11298ab 100644
--- a/softoff/softoff.cpp
+++ b/softoff/softoff.cpp
@@ -19,11 +19,6 @@
 namespace ipmi
 {
 
-// Need this to send SMS_ATTN
-constexpr auto HOST_IPMI_BUS  = "org.openbmc.HostIpmi";
-constexpr auto HOST_IPMI_OBJ  = "/org/openbmc/HostIpmi/1";
-constexpr auto HOST_IPMI_INTF = "org.openbmc.HostIpmi";
-
 /** @brief Send the SMS_ATN to host if value is set */
 void SoftPowerOff::sendSMSAttn()
 {
@@ -38,5 +33,6 @@
 
     return;
 }
+
 } // namespace ipmi
 } // namespace phosphor