SWDEV-463865 - changed device,roc and pal namespaces to be nested under amd

Change-Id: Icad342843c039c634e249a13a7aa31400730b1dd

rocclr/device/rocm/rocblit.cpp

@@ -27,7 +27,7 @@
 #include "utils/debug.hpp"
 #include <algorithm>
 
-namespace roc {
+namespace amd::roc {
 DmaBlitManager::DmaBlitManager(VirtualGPU& gpu, Setup setup)
     : HostBlitManager(gpu, setup),
       MinSizeForPinnedTransfer(dev().settings().pinnedMinXferSize_),
@@ -2812,4 +2812,4 @@ bool KernelBlitManager::RunGwsInit(
   return result;
 }
 
-}  // namespace roc
+}  // namespace amd::roc