Remove SDBUSPP_REMOVE_DEPRECATED_NAMESPACE

Fix the code to support new sdbusplus error without
SDBUSPP_REMOVE_DEPRECATED_NAMESPACE.

Change-Id: I12713ec1757d3835e1acf07c7abf409ff97615e1
Signed-off-by: Willy Tu <wltu@google.com>
diff --git a/extensions/openpower-pels/pel_entry.hpp b/extensions/openpower-pels/pel_entry.hpp
index f42fc3b..482efce 100644
--- a/extensions/openpower-pels/pel_entry.hpp
+++ b/extensions/openpower-pels/pel_entry.hpp
@@ -6,7 +6,7 @@
 namespace pels
 {
 
-using PELEntryIface = sdbusplus::org::open_power::Logging::PEL::server::Entry;
+using PELEntryIface = sdbusplus::server::org::open_power::logging::pel::Entry;
 using PropertiesVariant = PELEntryIface::PropertiesVariant;
 
 class PELEntry : public PELEntryIface