Add namespaces to erase methods

Some erase objects did not have the required namespace. This change adds
the estoraged and estoraged_testing namespace where it is needed.

Testing: Not tested
Change-Id: I63757ea4d3672659f21108e5e65fd09aa1c03406
Signed-off-by: John Edward Broadbent <jebr@google.com>
diff --git a/src/erase/verifyDriveGeometry.cpp b/src/erase/verifyDriveGeometry.cpp
index ea6c76f..2d223a7 100644
--- a/src/erase/verifyDriveGeometry.cpp
+++ b/src/erase/verifyDriveGeometry.cpp
@@ -7,6 +7,8 @@
 
 #include <string>
 
+namespace estoraged
+{
 using sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;
 
 void VerifyDriveGeometry::geometryOkay(uint64_t bytes)
@@ -36,3 +38,5 @@
                   std::string("OpenBMC.0.1.DriveEraseSuccess"));
     }
 }
+
+} // namespace estoraged