wsl/libhsakmt: move ReserveGpuVirtualAddress from device to thunk runtime

For multi-GPU supporting, local heap and system heap managers are
implemented in thunk runtime, so the heap allocation function
ReserveGpuVirtualAddress should be moved to runtime too.

Reviewed-by: Flora Cui <flora.cui@amd.com>
Signed-off-by: tiancyin <tianci.yin@amd.com>

wddm/gpu_memory.cpp

@@ -257,7 +257,7 @@ ErrorCode GpuMemory::ReserveGpuVirtualAddress(gpusize base_virt_addr, gpusize si
     if (status == ErrorCode::Success)
       mem_fd_ = mfd;
   } else {
-    status = device_->ReserveGpuVirtualAddress(desc_.domain, base_virt_addr, size, &gpu_virt_addr, alignment,
+    status = dxg_runtime->ReserveGpuVirtualAddress(desc_.domain, base_virt_addr, size, &gpu_virt_addr, alignment,
         desc_.flags.is_locked);
   }
 
@@ -275,7 +275,7 @@ ErrorCode GpuMemory::FreeGpuVirtualAddress(gpusize base_addr, gpusize size) {
     return device_->FreeIPCSysMem(GpuAddress(), Size(), mem_fd_);
 
   return base_addr != 0 ?
-         device_->FreeGpuVirtualAddress(desc_.domain, base_addr, size) :
+         dxg_runtime->FreeGpuVirtualAddress(desc_.domain, base_addr, size) :
          ErrorCode::Success;
 }