bmc: move away from blobs namespace

The blobs namespace is really owned by phosphor-ipmi-blobs.  Move all
phosphor-ipmi-flash objects into ipmi_flash namespace.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I51b721ad4f3cdc4cc43846c942967ed2e5f16589
diff --git a/lpc_handler.cpp b/lpc_handler.cpp
index 17aa993..7f70750 100644
--- a/lpc_handler.cpp
+++ b/lpc_handler.cpp
@@ -20,7 +20,7 @@
 #include <cstring>
 #include <vector>
 
-namespace blobs
+namespace ipmi_flash
 {
 
 bool LpcDataHandler::open()
@@ -94,4 +94,4 @@
     return {};
 }
 
-} // namespace blobs
+} // namespace ipmi_flash