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/ipmi_interface.hpp b/src/ipmiblob/ipmi_interface.hpp
index 6bad7db..bf7b448 100644
--- a/src/ipmiblob/ipmi_interface.hpp
+++ b/src/ipmiblob/ipmi_interface.hpp
@@ -3,7 +3,7 @@
 #include <cstdint>
 #include <vector>
 
-namespace host_tool
+namespace ipmiblob
 {
 
 class IpmiInterface
@@ -22,4 +22,4 @@
         sendPacket(std::vector<std::uint8_t>& data) = 0;
 };
 
-} // namespace host_tool
+} // namespace ipmiblob