Convert host-ipmid -> libipmid

phosphor-host-ipmid now exposes a library along with headers for
interfacing with the ipmi daemon. Compile and link against the new
library.

Change-Id: I7dfdf4ce6364a29b5bbc0696adc1e695651fbe1c
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/entity_name.hpp b/entity_name.hpp
index 3b4cd89..a1bc9f4 100644
--- a/entity_name.hpp
+++ b/entity_name.hpp
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <host-ipmid/ipmid-api.h>
+#include <ipmid/api.h>
 
 namespace google
 {