namespace: s/host_tool/ipmiblob/g

Renamed the namespace to encapsulate the library.

Change-Id: I3deb82df5cf6916c505b57864e22a412542c9b6c
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/src/ipmiblob/crc.cpp b/src/ipmiblob/crc.cpp
index d6f59ef..617a9d6 100644
--- a/src/ipmiblob/crc.cpp
+++ b/src/ipmiblob/crc.cpp
@@ -1,6 +1,6 @@
 #include "crc.hpp"
 
-namespace host_tool
+namespace ipmiblob
 {
 
 /*
@@ -41,4 +41,4 @@
     return crc;
 }
 
-} // namespace host_tool
+} // namespace ipmiblob