SWDEV-413997 - Enable Virtual Mem support by default.

Change-Id: Ia3db3919701708cf95574692e1d47375ca99d7fd

rocclr/utils/flags.hpp

@@ -241,7 +241,7 @@ release(cstring, HIPRTC_COMPILE_OPTIONS_APPEND, "",                           \
         "Set compile options needed for hiprtc compilation")                  \
 release(cstring, HIPRTC_LINK_OPTIONS_APPEND, "",                              \
         "Set link options needed for hiprtc compilation")                     \
-release(bool, HIP_VMEM_MANAGE_SUPPORT, false,                                 \
+release(bool, HIP_VMEM_MANAGE_SUPPORT, true,                                  \
         "Virtual Memory Management Support")                                  \
 
 namespace amd {