split the commands out

Split the commands out to avoid conflicts in multiple definitions of
IPMI_CC_OK, etc, in a different environment.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I1f3a0214b4f6f6417a5649b0fc2d297119f8ad88
diff --git a/ipmi.cpp b/ipmi.cpp
index 8ee9c42..09f7df4 100644
--- a/ipmi.cpp
+++ b/ipmi.cpp
@@ -17,6 +17,7 @@
 #include "ipmi.hpp"
 
 #include "cable.hpp"
+#include "commands.hpp"
 #include "cpld.hpp"
 #include "entity_name.hpp"
 #include "eth.hpp"