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_aspeed.cpp b/lpc_aspeed.cpp
index 73ce315..184f18a 100644
--- a/lpc_aspeed.cpp
+++ b/lpc_aspeed.cpp
@@ -28,7 +28,7 @@
 #include <string>
 #include <utility>
 
-namespace blobs
+namespace ipmi_flash
 {
 
 const std::string LpcMapperAspeed::lpcControlPath = "/dev/aspeed-lpc-ctrl";
@@ -157,4 +157,4 @@
     return std::vector<std::uint8_t>(mappedRegion, mappedRegion + length);
 }
 
-} // namespace blobs
+} // namespace ipmi_flash