Update softoff to support new host control interface

The new host control design requires applications use its
new dbus interfaces to interact with the host.  This commit
moves the softoff application over to this new interface.

Change-Id: I3c6830a59d72df1f112ee7a63a08bfca53375bf7
Signed-off-by: Andrew Geissler <andrewg@us.ibm.com>
diff --git a/softoff/Makefile.am b/softoff/Makefile.am
index b7f4c92..cf50cdb 100644
--- a/softoff/Makefile.am
+++ b/softoff/Makefile.am
@@ -8,7 +8,8 @@
                     softoff.cpp \
                     ../timer.cpp   \
                     mainapp.cpp \
-                    xyz/openbmc_project/Ipmi/Internal/SoftPowerOff/server.cpp
+                    xyz/openbmc_project/Ipmi/Internal/SoftPowerOff/server.cpp \
+                    ../utils.cpp
 
 BUILT_SOURCES = xyz/openbmc_project/Ipmi/Internal/SoftPowerOff/server.cpp \
                 xyz/openbmc_project/Ipmi/Internal/SoftPowerOff/server.hpp