More parameter check in HsaMemoryBuffer constructor

if parameter "zero" is set, check buffer host access.

Change-Id: I9893062726fc240777405167a638cbea18fdf559
Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>

tests/kfdtest/src/KFDLocalMemoryTest.cpp

@@ -128,7 +128,7 @@ TEST_F(KFDLocalMemoryTest, VerifyContentsAfterUnmapAndMap) {
     HsaMemoryBuffer isaBuffer(PAGE_SIZE, defaultGPUNode);
     HsaMemoryBuffer SysBufferA(BufferSize, defaultGPUNode, false);
     HsaMemoryBuffer SysBufferB(BufferSize, defaultGPUNode, true);
-    HsaMemoryBuffer LocalBuffer(BufferSize, defaultGPUNode, true, true);
+    HsaMemoryBuffer LocalBuffer(BufferSize, defaultGPUNode, false, true);
 
     SysBufferA.Fill(0x01010101);