Move addrlib into rocr namespace

This avoids conflicts in case application is loading another copy of
addrlib.

Change-Id: Ifb4a10270c867366d5eed0a8c015257b415189a5
Signed-off-by: Chris Freehill <cfreehil@amd.com>

runtime/hsa-runtime/image/addrlib/src/addrinterface.cpp

@@ -19,6 +19,7 @@
 
 #include "addrcommon.h"
 
+namespace rocr {
 using namespace Addr;
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -2152,3 +2153,4 @@ ADDR_E_RETURNCODE ADDR_API Addr3ComputeSlicePipeBankXor(
 
     return returnCode;
 }
+} //namespace rocr