SWDEV-351031 - Any bit other than the rightmost 4 bits shouldn't be set

Change-Id: I6c834f491ce393eb37259eabc603220c5b5f164e


[ROCm/clr commit: 35051e778d]

projects/clr/hipamd/src/hip_memory.cpp

@@ -1089,7 +1089,7 @@ hipError_t hipHostGetFlags(unsigned int* flagsPtr, void* hostPtr) {
 }
 
 hipError_t ihipHostRegister(void* hostPtr, size_t sizeBytes, unsigned int flags) {
-  if (hostPtr == nullptr || sizeBytes == 0) {
+  if (hostPtr == nullptr || sizeBytes == 0 || flags > 15) {
     return hipErrorInvalidValue;
   } else {
     amd::Memory* mem = new (*hip::host_device->asContext()) amd::Buffer(*hip::host_device->asContext(),