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

Change-Id: Icad342843c039c634e249a13a7aa31400730b1dd

rocclr/device/pal/palvirtual.cpp

@@ -50,7 +50,7 @@
 #include "platform/interop_d3d11.hpp"
 #endif  // _WIN32
 
-namespace pal {
+namespace amd::pal {
 
 uint32_t VirtualGPU::Queue::AllocedQueues(const VirtualGPU& gpu, Pal::EngineType type) {
   uint32_t allocedQueues = 0;
@@ -3803,4 +3803,4 @@ void* VirtualGPU::getOrCreateHostcallBuffer() {
   return hostcallBuffer_;
 }
 
-}  // namespace pal
+}  // namespace amd::pal