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.hpp b/verify_systemd.hpp
index 60acbc6..d64d8c8 100644
--- a/verify_systemd.hpp
+++ b/verify_systemd.hpp
@@ -7,7 +7,7 @@
 #include <sdbusplus/bus.hpp>
 #include <string>
 
-namespace blobs
+namespace ipmi_flash
 {
 
 /**
@@ -54,4 +54,4 @@
     const std::string checkPath;
     const std::string triggerService;
 };
-} // namespace blobs
+} // namespace ipmi_flash