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/verify_systemd.cpp b/verify_systemd.cpp
index fd29918..2cd418b 100644
--- a/verify_systemd.cpp
+++ b/verify_systemd.cpp
@@ -25,7 +25,7 @@
 #include <string>
 #include <vector>
 
-namespace blobs
+namespace ipmi_flash
 {
 
 std::unique_ptr<VerificationInterface>
@@ -98,4 +98,4 @@
     return result;
 }
 
-} // namespace blobs
+} // namespace ipmi_flash