ipmid: Update sdbuspp namespaces

Fixed all errors when we remove
`SDBUSPP_REMOVE_DEPRECATED_NAMESPACE` in sdbusplus.

Change-Id: I5607585b2709faa7aee347d26e458ef769ca1626
Signed-off-by: Willy Tu <wltu@google.com>
diff --git a/softoff/softoff.hpp b/softoff/softoff.hpp
index c78710b..d525d11 100644
--- a/softoff/softoff.hpp
+++ b/softoff/softoff.hpp
@@ -14,8 +14,8 @@
 namespace ipmi
 {
 
-namespace Base = sdbusplus::xyz::openbmc_project::Ipmi::Internal::server;
-using namespace sdbusplus::xyz::openbmc_project::Control::server;
+namespace Base = sdbusplus::server::xyz::openbmc_project::ipmi::internal;
+using namespace sdbusplus::server::xyz::openbmc_project::control;
 
 namespace sdbusRule = sdbusplus::bus::match::rules;