wsl/libhsakmt: move PAGE_SIZE/SHIFT to static global var

Signed-off-by: Flora Cui <flora.cui@amd.com>
Reviewed-by: Tianci Yin <tianci.yin@amd.com>
Part-of: <http://10.67.69.192/wsl/rocr-runtime/-/merge_requests/68>

wddm/queue.cpp

@@ -261,7 +261,7 @@ ComputeQueue::ComputeQueue(WDDMDevice *device,
   assert(ret);
 
   GpuMemoryCreateInfo create_info{};
-  create_info.size = PAGE_SIZE;
+  create_info.size = dxg_runtime->page_size;
   create_info.domain = thunk_proxy::kSystem;
   GpuMemory *gpu_mem = nullptr;
   auto code = device->CreateGpuMemory(create_info, &gpu_mem);